High Protein Dump & Bake Chicken Tzatziki Casserole

Featured in Quick & Easy Meals.

Easy, high protein dump and bake chicken tzatziki casserole. Enjoy a flavorful, healthy weeknight meal with minimal effort and Mediterranean-inspired taste.
Ben Carter - Recipe Author
Updated on April 27, 2026 at 12:55 AM
Prep Time: 15 min Cook Time: 35 min Total Time: 50 min 6 Servings Beginner
High Protein Dump & Bake Chicken Tzatziki Casserole - Featured Image Pin it
High Protein Dump & Bake Chicken Tzatziki Casserole | Recipes By Megan

Okay, so picture this: it was a Tuesday, I was running on fumes, and the thought of another complicated dinner recipe made me want to order takeout. My fridge was full of chicken and yogurt, and I just kinda... stared at them. That's when the idea for a 'dump and bake' Greek-inspired meal hit me. Honestly, I didn't expect that much, but this chicken Tzatziki Casserole changed everything. It's become our go-to for busy nights!

One time, in my haste, I forgot to squeeze the grated cucumber dry for the tzatziki topping. Oops! The casserole was still delicious, but the topping ended up a bit… soupy. My husband, bless his heart, said it was 'extra refreshing.' Now, I squeeze that cucumber like my life depends on it. Lesson learned the hard way, hon!

Essential Ingredients for Your Chicken Tzatziki Casserole

  • 1 1/2 lbs boneless, skinless chicken breasts, cut into 1-inch cubes: Chicken breasts are our lean protein powerhouse here. I love cutting them into uniform cubes because it helps them cook evenly with the rice. No one wants dry chicken bits or raw chunks, right? This size also makes sure every spoonful of our Chicken Tzatziki Casserole has a nice mix of everything. Plus, boneless, skinless means less fuss, more flavor!
  • 1 1/2 cups uncooked long-grain white rice: Long-grain white rice is the perfect base for soaking up all those incredible Greek flavors. It cooks right in the casserole dish, absorbing the broth and chicken juices, becoming wonderfully fluffy and tender. I've tried brown rice, but it changes the cooking time and texture a bit too much for this particular 'dump and bake' magic. White rice just works here.
  • 3 cups low-sodium chicken broth: This is our flavor delivery system, friends! Using low-sodium broth lets us control the seasoning perfectly. It's crucial for cooking the rice and keeping the chicken moist and tender. I always have a carton of this on hand, it's a kitchen staple for a reason. It infuses everything with a savory depth that just makes this dish sing.
  • 1 1/2 cups plain Greek yogurt (2% or full-fat): Oh, Greek yogurt, you beautiful, tangy, creamy dream! This is the magic behind our creamy Chicken Tzatziki Casserole, giving it that signature tzatziki tang and a velvety texture without heavy cream. I prefer 2% or full-fat for the best richness, but non-fat works too if you're watching calories. It makes the topping so luscious, honestly.
  • 1/2 large English cucumber, grated and squeezed dry: Don't skip the squeezing part, trust me! That grated cucumber adds such a refreshing crunch and cooling element to the yogurt topping. English cucumbers are great because they have fewer seeds and thinner skin, so no peeling needed. It’s the essential fresh, crisp counterpoint to the warm casserole, making the whole dish pop with flavor.
  • 1/4 cup fresh dill, chopped: Fresh dill is non-negotiable for that authentic tzatziki flavor. Its bright, slightly anise-like notes elevate the whole dish. Dried dill just doesn't compare, hon. It brings a vibrant green color and an aromatic punch that truly makes the tzatziki topping sing. If you're not a dill fan, well, you might be after trying this!

How to Make This Dreamy Chicken Tzatziki Casserole

Step 1: Preheat Oven, Prep Dish:
First things first, get that oven preheating to 375°F (190°C) we want it nice and hot for our casserole. Then, grab your trusty 9x13-inch baking dish and give it a little spray with cooking oil. It’s a simple step, but it makes cleanup so much easier later. This is where the magic begins for our glorious Chicken Tzatziki Casserole, setting the stage for all those amazing flavors to come together.
Step 2: Mix Chicken, Rice, Broth:
Now, the 'dump' part! In your prepared baking dish, combine the cubed chicken, uncooked rice, and chicken broth. Give it a good stir to make sure the rice is evenly distributed and submerged. This is the base for our ultimate Chicken Tzatziki Casserole, so getting this right means perfectly cooked rice and juicy chicken. You'll already start to see the potential, I promise!
Step 3: Season, Add Tomatoes, Onion:
Time for flavor! Sprinkle in your minced garlic, a pinch of salt, and some fresh black pepper. Toss in those halved cherry tomatoes they burst with sweetness as they cook and the diced red onion. Stir everything gently. The aroma of garlic and onion already starts to make my kitchen smell amazing, hinting at the deliciousness of this Chicken Tzatziki Casserole.
Step 4: Bake Covered Casserole:
Cover the dish tightly with foil. This traps the steam, ensuring the rice cooks beautifully and the chicken stays super moist. Pop it into the preheated oven for 40-45 minutes. It's like a little sauna for your dinner! While it's baking, you can kick back, relax, and let the oven do all the hard work. Watching this Chicken Tzatziki Casserole bake is pure anticipation.
Step 5: Prepare Fresh Tzatziki:
While the casserole is baking, let's get that fresh tzatziki topping ready! In a medium bowl, combine the Greek yogurt, grated and squeezed dry cucumber (don't forget!), minced garlic, chopped fresh dill, lemon juice, and olive oil. Stir it all together until it's beautifully combined. Taste it, and adjust seasoning if needed. This fresh, tangy sauce is what brings the whole Chicken Tzatziki Casserole together.
Step 6: Uncover, Add Feta, Bake:
After its initial bake, carefully remove the foil. Give the casserole a gentle stir the rice should be mostly cooked. Now, sprinkle that glorious crumbled feta cheese all over the top. Pop it back into the oven, uncovered, for another 10-15 minutes, or until the cheese is melted and bubbly and the chicken is cooked through. These are the final touches on our Chicken Tzatziki Casserole!
Step 7: Rest, Top, Garnish, Serve:
Patience, my friend! Let the casserole rest for 5-10 minutes after pulling it out of the oven. This allows the rice to fully absorb any remaining liquid and the flavors to meld. Then, dollop generous amounts of that fresh tzatziki over each serving. A little extra dill for garnish? Yes, please! And just like that, your beautiful Chicken Tzatziki Casserole is ready to be devoured!

Every time I pull this casserole out of the oven, I feel like a kitchen wizard. The smell of dill and lemon filling the house, the bubbly feta, the perfectly cooked rice… it's just so satisfying. It’s a meal that feels impressive but takes minimal effort, which is my kind of cooking. Pure comfort food with a fresh, vibrant twist!

Keeping Your Chicken Tzatziki Casserole Fresh

So, you've got leftovers? Lucky you! This casserole actually tastes even better the next day as the flavors really get to know each other. Store any remaining Chicken Tzatziki Casserole in an airtight container in the fridge for up to 3-4 days. I've tried freezing it before, and honestly, the texture of the rice can get a little mushy upon reheating, and the tzatziki topping is best made fresh. So, if you're planning to freeze, freeze the casserole base without the tzatziki, then make a fresh batch of topping when you're ready to eat. Reheat gently in the microwave or oven until warmed through. Don't overheat, or your chicken might dry out!

High Protein Dump & Bake Chicken Tzatziki Casserole - Image 1Pin it
High Protein Dump & Bake Chicken Tzatziki Casserole - Image 1 | Recipes By Megan

Swapping Ingredients in Your Chicken Tzatziki Casserole

I've played around with this recipe quite a bit! If you don't have chicken breasts, boneless, skinless chicken thighs work wonderfully they stay even juicier, though you might need to adjust baking time by a few minutes. For the rice, I've used basmati, which is also great, but stick to long-grain white for the best results in this dump-and-bake method. No fresh dill? Dried dill is a pale comparison, but you can use about 1 teaspoon. Or, switch it up entirely and use fresh mint or parsley for a different vibe. Feel free to swap cherry tomatoes for diced bell peppers or even some spinach tossed in at the end. Get creative with your Chicken Tzatziki Casserole!

Serving Up Your Chicken Tzatziki Casserole

This Chicken Tzatziki Casserole is pretty much a complete meal on its own, but sometimes you just want a little extra something, right? I love serving it with a simple side salad think crisp romaine, a few Kalamata olives, and a light lemon-oregano vinaigrette. Warm pita bread or crusty sourdough for dipping into all those delicious juices? Oh, yes! A sprinkle of extra feta or a few more fresh dill sprigs never hurt anyone. And if you're feeling fancy, a side of roasted asparagus or green beans would be lovely. It's so versatile, you can really make it your own!

The Story Behind This Chicken Tzatziki Casserole

Greek food holds such a special place in my heart. The vibrant flavors, the fresh ingredients, the emphasis on healthy and wholesome meals it's just so inviting. Tzatziki, of course, is a cornerstone of Greek cuisine, usually served as a dip or condiment. I wanted to capture that fresh, tangy essence and weave it into a hearty, comforting casserole. This isn't a traditional Greek dish, to be real, but it's inspired by those incredible Mediterranean flavors I adore. It's my homage to the simple, delicious brilliance of Greek cooking, transformed into an easy weeknight Chicken Tzatziki Casserole.

And there you have it, friends! My absolute favorite Dump and Bake Chicken Tzatziki Casserole. It's hearty, healthy, and packed with so much flavor, you'll feel like you're on a Greek island. I hope you love making and eating it as much as I do. Give it a try this week and let me know how your own Chicken Tzatziki Casserole turns out in the comments below!

High Protein Dump & Bake Chicken Tzatziki Casserole - Image 2Pin it
High Protein Dump & Bake Chicken Tzatziki Casserole - Image 2 | Recipes By Megan

FAQs About This Chicken Tzatziki Casserole

→ Can I make this Chicken Tzatziki Casserole ahead of time?

You can prep the chicken and rice mixture in the dish the night before, then cover and refrigerate. Just add about 10-15 minutes to the initial baking time since it's starting cold. The tzatziki topping is best made fresh right before serving for optimal flavor and texture.

→ Is this recipe gluten-free?

Yes, this Chicken Tzatziki Casserole is naturally gluten-free! All the ingredients chicken, rice, broth, yogurt, veggies are free from gluten. Just double-check your chicken broth label to ensure it doesn't contain any hidden gluten ingredients, though most are fine.

→ Can I use brown rice instead of white rice?

I've tried it, and while it works, brown rice will need more liquid and a longer cooking time. It really changes the 'dump and bake' simplicity. If you use it, increase broth to 3.5-4 cups and bake covered for about 55-60 minutes, then uncover and continue as directed.

→ How can I make this spicier?

Oh, I love a little kick! You can add a pinch of red pepper flakes to the chicken and rice mixture before baking. Or, for a milder heat, a tiny dash of hot sauce in your individual serving of tzatziki topping would be fantastic. Don't go overboard, though, we want to keep those fresh Greek flavors shining!

→ What if I don't like dill?

No worries! While dill is classic for tzatziki, you could try fresh mint or parsley instead, or a mix of both. They'll give you a different, but still lovely, fresh herbaceous flavor that pairs beautifully with the other ingredients in this Chicken Tzatziki Casserole. Experiment and find what you love!

High Protein Dump & Bake Chicken Tzatziki Casserole

Easy, high protein dump and bake chicken tzatziki casserole. Enjoy a flavorful, healthy weeknight meal with minimal effort and Mediterranean-inspired taste.

4.1 out of 5
(46 reviews)
Prep Time
15 Minutes
Cook Time
35 Minutes
Total Time
50 Minutes

Category: Quick & Easy Meals

Difficulty: Beginner

Cuisine: Greek

Yield: 6 Servings

Dietary: ~

Published: April 27, 2026 at 12:55 AM

Ingredients

→ The Hearty Base

01 1 1/2 lbs boneless, skinless chicken breasts, cut into 1-inch cubes
02 1 1/2 cups uncooked long-grain white rice
03 3 cups low-sodium chicken broth

→ Tzatziki's Soul

04 1 1/2 cups plain Greek yogurt (2% or full-fat)
05 1/2 large English cucumber, grated and squeezed dry
06 3 cloves garlic, minced
07 1/4 cup fresh dill, chopped
08 2 tbsp fresh lemon juice
09 2 tbsp extra virgin olive oil

→ Mediterranean Medley

10 1 pint cherry tomatoes, halved
11 1/2 medium red onion, thinly sliced
12 3/4 cup crumbled feta cheese
13 1 tsp salt
14 1/2 tsp black pepper
15 Fresh dill, for garnish

Instructions

Step 01

Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish. This initial step sets the stage for your delicious Dump and Bake Chicken Tzatziki Casserole | High Protein.

Step 02

In the prepared baking dish, combine 1 1/2 lbs boneless, skinless chicken breasts (cubed), 1 1/2 cups uncooked long-grain white rice, and 3 cups low-sodium chicken broth. Stir well to distribute the rice evenly.

Step 03

Season the mixture with 1 tsp salt and 1/2 tsp black pepper. Evenly scatter 1 pint cherry tomatoes (halved) and 1/2 medium red onion (thinly sliced) over the chicken and rice.

Step 04

Cover the baking dish tightly with aluminum foil. Bake for 30 minutes. This ensures the rice cooks thoroughly and the chicken is tender for your Dump and Bake Chicken Tzatziki Casserole | High Protein.

Step 05

While the casserole bakes, prepare the fresh tzatziki. In a medium bowl, combine 1 1/2 cups plain Greek yogurt, 1/2 large English cucumber (grated and squeezed dry), 3 cloves garlic (minced), 1/4 cup fresh dill (chopped), 2 tbsp fresh lemon juice, and 2 tbsp extra virgin olive oil. Stir until well combined.

Step 06

After 30 minutes, remove the foil. Sprinkle 3/4 cup crumbled feta cheese over the casserole. Return to the oven, uncovered, and bake for an additional 5 minutes, or until the cheese is lightly golden and the liquid is absorbed.

Step 07

Let the Dump and Bake Chicken Tzatziki Casserole | High Protein rest for 5-10 minutes before serving. Spoon generous dollops of the prepared tzatziki over each serving and garnish with fresh dill.

Notes

  1. Squeezing the grated cucumber thoroughly is key for a thick, creamy tzatziki that won't water down your casserole. Use a clean kitchen towel or paper towels.
  2. For a different grain, you can substitute brown rice, but increase the broth to 3 1/2 cups and bake covered for 45-50 minutes before uncovering.
  3. Store leftover Dump and Bake Chicken Tzatziki Casserole | High Protein in an airtight container in the refrigerator for up to 3-4 days. Reheat gently in the microwave or oven.
  4. This casserole is a complete meal, but a simple side salad with a light vinaigrette would complement the flavors beautifully.

Tools You'll Need

  • 9x13 inch baking dish
  • large mixing bowl
  • grater
  • cutting board
  • sharp knife
  • measuring cups and spoons

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 540 kcal
  • Total Fat: 17 g
  • Total Carbohydrate: 43 g
  • Protein: 50 g

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High Protein Dump & Bake Chicken Tzatziki Casserole

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