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Irresistible Zucchini Casserole (A Family Favorite Recipe)

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Tender zucchini slices baked with mozzarella, cheddar, sautéed onions, and a crispy breadcrumb topping for a comforting vegetarian casserole.

Ingredients

4 medium zucchinis, sliced

1 cup shredded mozzarella cheese

1 cup shredded cheddar cheese

3 large eggs

1 sweet onion, finely chopped

1 teaspoon garlic powder

1 cup seasoned breadcrumbs

2 tablespoons olive oil

Salt and pepper to taste

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a medium baking dish with olive oil.
  2. Slice zucchinis into thin rounds. Season with salt, pepper, and garlic powder, toss to coat evenly.
  3. In a skillet, heat olive oil over medium heat. Sauté chopped onion until soft, about 5 minutes. Remove from heat.
  4. In a large bowl, whisk eggs. Stir in sautéed onions, mozzarella, cheddar, breadcrumbs, and zucchini slices. Mix gently.
  5. Pour mixture into prepared baking dish, spread evenly.
  6. Bake for 35–40 minutes until golden brown and set. Cool slightly before serving.

Notes

 

Swap cheddar for pepper jack or gouda for flavor variation.

Mix in fresh herbs like basil or thyme.

Add diced tomatoes or bell peppers for extra color.

Use gluten-free breadcrumbs to make gluten-free.