Chicken Zucchini Mushroom Bake

Section: Satisfying Main Dishes for Every Occasion

This comforting bake combines diced chicken with fresh zucchini and mushrooms in a rich, creamy cheese base made with Italian cheese blend, sour cream, and aromatic basil. The dish comes together quickly using just one skillet for sautéing and one bowl for mixing, making it perfect for busy weeknights when you want something hearty yet simple. High in protein and low in carbs, it's a crowd-pleasing meal that even picky eaters enjoy, with the bonus of sneaking extra vegetables into dinner without complaints.

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Published By Ioana
Updated on Wed, 20 Aug 2025 23:48:27 GMT
A baked dish with chicken, zucchini, and mushrooms. Bookmark
A baked dish with chicken, zucchini, and mushrooms. | ioanacooks.com

This chicken zucchini mushroom bake has become my go to solution for busy weeknights when I need something satisfying but simple. Diced chicken combines with tender zucchini and earthy mushrooms in a creamy cheese base that bakes up golden and bubbling. The dish balances lean protein with vegetables and aromatic herbs, making it both nourishing and comforting. What started as a way to use up summer zucchini has turned into a year round favorite that even picky eaters request.

I first tried this when we were swimming in homegrown zucchini and wanted something cozy yet simple. My family asks for it on busy nights when we need comfort food without fuss.

Ingredients

  • 8 ounces boneless chicken, diced: Choose tender cuts like chicken breast or save time with pre cooked rotisserie chicken
  • 4 ounces fresh mushrooms, sliced: Look for firm mushrooms with dry caps for the best flavor and texture
  • 1 medium zucchini, sliced into halves or quarters: Firm zucchini with no soft spots brings a subtly sweet bite and moisture to the bake
  • 2 tablespoons butter: High quality butter adds richness to the sauté
  • Salt and fresh ground black pepper, to taste: Freshly ground black pepper enhances the basil and cheese
  • 2 cups shredded Italian cheese blend: Look for a blend with mozzarella and provolone for the best melt
  • ½ cup sour cream: Adds tang and helps create a creamy texture
  • 2 green onions, sliced: Use fresh green onions with snappy green tops and crisp white bases
  • 2 large eggs, beaten: Large or jumbo eggs help bind the bake so it holds together
  • 2 teaspoons dried basil: Choose aromatic basil with a deep green color for maximum flavor

Step by Step Instructions

Prepare Ingredients:
Dice the chicken into uniform bite sized cubes for even cooking. Slice the zucchini into coins then halve or quarter them for easy bites. Slice the mushrooms and green onions thinly to distribute their flavors throughout the bake. Taking time to prep everything evenly ensures consistent cooking and better texture in every bite.
Sauté and Build Flavors:
Melt the butter in a high sided skillet over medium heat until foaming. Add diced chicken gently so each piece is in contact with the pan. Add zucchini and mushrooms and cook for about five minutes stirring often. Watch for the mushrooms to soften and the zucchini to become a little translucent. Season lightly with salt and fresh ground black pepper as the vegetables cook. The key is building flavor without overcooking.
Drain Mixture:
When the vegetables are tender but not mushy transfer everything from the skillet into a colander to drain off excess moisture. Do not skip this step or the finished bake may turn watery. Let it drain for at least two minutes while you prepare the cheese mixture.
Mix the Creamy Cheese Base:
In a large bowl combine the shredded Italian cheese blend with sour cream sliced green onions beaten eggs dried basil and a pinch of salt and pepper. Stir thoroughly making sure the eggs and sour cream coat everything well. This creamy base will bind everything together during baking.
Combine and Fill Baking Dishes:
Add the drained chicken zucchini and mushroom mixture to the cheese base. Use a big spoon to fold everything together until the vegetables and chicken are evenly coated. Gentle folding prevents breaking up the tender vegetables while ensuring even distribution.
Bake:
Spray your individual oven safe baking dishes with nonstick spray. Divide the chicken mixture evenly between the dishes and smooth the tops gently with the back of a spoon. Bake at 375°F for thirty to thirty five minutes. The top should be bubbling and golden brown. Remove from oven and let rest for five minutes before serving as this helps the bake set up perfectly.
A dish with chicken, zucchini, and mushrooms. Bookmark
A dish with chicken, zucchini, and mushrooms. | ioanacooks.com

The blend of cheese and basil is my favorite part. I love to use a special basil from my garden which adds a bright aroma that always reminds me of summer. One of my most vivid memories is making this dish with my daughter after picking zucchini together for the very first time.

Storage Tips

Once cooled keep leftovers in an airtight container in the fridge for up to three days. For longer storage slice and freeze individual portions then reheat straight from the freezer in the microwave or oven. The dish maintains its creamy texture beautifully when reheated properly.

Ingredient Substitutions

You can substitute cooked turkey or even ground chicken for the diced chicken. For a vegetarian version try using diced tofu and a vegetarian cheese blend. Feel free to swap the Italian cheese blend for just mozzarella or provolone if that is what you have on hand. Bell peppers or baby spinach also make wonderful additions.

Serving Suggestions

This bake works beautifully for dinner with a simple green salad or some crusty bread on the side. For brunch try serving it alongside a fruit salad or even as a filling for a hearty sandwich. The versatility makes it perfect for any meal of the day.

Cultural Context

Baked savory casseroles like this have a classic place in American home cooking where stretching a small amount of meat or cheese with plenty of vegetables was essential for feeding families. Dishes like this highlight that tradition as the bake is easy to adapt with seasonal garden produce and readily available pantry staples.

A delicious chicken zucchini mushroom bake. Bookmark
A delicious chicken zucchini mushroom bake. | ioanacooks.com

Frequently Asked Questions About Recipes

→ Can I use chicken breast or thighs?

Both chicken breast and thighs work well in this bake. Breast yields a leaner dish with tender texture, while thighs add extra juiciness and rich flavor to the finished meal.

→ How should I prepare the zucchini to avoid mushiness?

Slice zucchini into coins, then cut into halves or quarters for even cooking. Sauté just until slightly translucent and tender, then drain thoroughly to remove excess moisture before baking.

→ Can I substitute different cheeses in this dish?

Yes, mozzarella, provolone, or mild cheddar can replace the Italian blend. Each cheese brings different flavor notes while maintaining the creamy texture that makes this bake so satisfying.

→ What other vegetables work well in this bake?

Bell peppers, baby spinach, or diced tomatoes make excellent additions. Add them with the mushrooms and zucchini during sautéing to ensure they cook evenly and integrate well with other flavors.

→ Why is draining the sautéed mixture important?

Draining removes excess liquid released during cooking, preventing a watery finished dish. This step ensures your bake maintains its creamy, cohesive texture rather than becoming soggy.

→ Can this be made ahead for meal prep?

Absolutely! This bake freezes beautifully and reheats well. Prepare individual portions, freeze, then reheat directly from frozen in the microwave or oven for convenient weeknight dinners.

Chicken Zucchini Mushroom Bake

Tender chicken and vegetables baked in a creamy Italian cheese base for a satisfying weeknight dinner.

Time Needed to Prep
15 minutes
Cooking Duration
40 minutes
Overall Time
55 minutes
Published By: Ioana

Category of Recipe: Main Dishes

Preparation Difficulty: Medium Difficulty

Type of Cuisine: American Comfort Food

Number of Portions: 4 How Many It Serves

Dietary Preferences: Low-Carb Friendly, No Gluten

Ingredients You'll Need

→ Main Ingredients

Ingredient 01 8 ounces boneless chicken breast or thighs, diced into bite-sized pieces
Ingredient 02 1 medium zucchini, sliced into coins then halved or quartered
Ingredient 03 4 ounces fresh mushrooms, thinly sliced
Ingredient 04 2 tablespoons butter

→ Creamy Base

Ingredient 05 2 cups shredded Italian cheese blend (mozzarella and provolone)
Ingredient 06 ½ cup sour cream
Ingredient 07 2 large eggs, beaten

→ Seasonings & Aromatics

Ingredient 08 2 green onions, thinly sliced
Ingredient 09 2 teaspoons dried basil
Ingredient 10 Salt and freshly ground black pepper to taste

Steps to Follow

Step 01

Dice chicken into uniform bite-sized cubes for even cooking. Slice zucchini into coins, then halve or quarter for easy bites. Thinly slice mushrooms and green onions to distribute flavors evenly throughout the bake.

Step 02

Melt butter in a high-sided skillet over medium heat until foaming. Add diced chicken, ensuring each piece contacts the pan. Add zucchini and mushrooms, cooking for 5 minutes while stirring frequently. Watch for mushrooms to soften and zucchini to become slightly translucent. Season lightly with salt and pepper during cooking.

Step 03

Transfer cooked chicken and vegetables to a colander when tender but not mushy. Drain thoroughly to remove excess moisture, preventing a watery finished dish.

Step 04

In a large bowl, combine Italian cheese blend, sour cream, sliced green onions, beaten eggs, dried basil, and a pinch of salt and pepper. Stir thoroughly until eggs and sour cream evenly coat all ingredients.

Step 05

Add drained chicken, zucchini, and mushroom mixture to the cheese base. Fold together with a large spoon until vegetables and chicken are evenly coated with the creamy mixture.

Step 06

Spray individual oven-safe baking dishes with nonstick spray. Divide mixture evenly between dishes and smooth tops gently. Bake at 375°F for 30-35 minutes until bubbling and golden brown. Rest for 5 minutes before serving to allow proper setting.

Extra Tips

  1. Sauté vegetables just until tender to prevent mushiness in the final bake
  2. Draining excess moisture from sautéed ingredients is essential for proper texture
  3. Sprinkle extra cheese on top midway through baking for enhanced golden crust
  4. Dish freezes beautifully and reheats well for meal prep convenience

Tools You'll Need

  • High-sided skillet for sautéing
  • Large mixing bowl
  • Individual oven-safe baking dishes
  • Colander for draining
  • Sharp knife for dicing and slicing

Allergen Information

Carefully check food labels for allergens and consult an expert if you're uncertain.
  • Contains dairy (cheese, sour cream, butter)
  • Contains eggs