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Easy Chicken Zucchini Casserole

Chicken Zucchini Casserole

A chicken zucchini casserole is a baked dish that features shredded or cubed chicken mixed with zucchini, cheese, and a creamy sauce. It’s a simple yet hearty recipe that transforms basic ingredients into a comforting family meal. The casserole is baked until golden on top and bubbling underneath, offering a balance of protein, vegetables, and flavor in every bite.

Ingredients

Scale
  • 2 medium zucchinis, sliced into half-moons

  • 2 cups cooked chicken (shredded or cubed)

  • 1 small onion, finely chopped

  • 2 cloves garlic, minced

  • 1 cup sour cream or Greek yogurt

  • 1 cup shredded cheddar or mozzarella cheese

  • ½ cup grated Parmesan cheese

  • 1 cup crushed buttery crackers or breadcrumbs

  • 2 tablespoons melted butter

  • 1 teaspoon Italian seasoning

  • ½ teaspoon salt

  • ¼ teaspoon black pepper

  • Non-stick spray or butter for greasing

Instructions

Step 1: Preheat the oven

Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish with butter or non-stick spray.

Step 2: Prepare the zucchini

In a large skillet, sauté the zucchini, onion, and garlic over medium heat for 4–5 minutes until slightly softened. Remove from heat and let cool slightly.

Step 3: Combine the filling

In a large bowl, mix the cooked chicken, sour cream, shredded cheese, Parmesan, Italian seasoning, salt, and pepper. Fold in the cooked zucchini mixture until evenly combined.

Step 4: Assemble the casserole

Spread the mixture evenly into the prepared baking dish. In a small bowl, combine crushed crackers (or breadcrumbs) with melted butter and sprinkle evenly over the top.

Step 5: Bake the casserole

Bake uncovered for 25–30 minutes, or until the top is golden brown and the casserole is bubbling around the edges.

Step 6: Cool and serve

Let the casserole rest for 5–10 minutes before serving to help it set and make slicing easier.