Cheesy Beef & Zucchini Casserole Recipe

This Cheesy Beef & Zucchini Casserole is the ultimate comfort food that doesn’t skimp on flavor or nutrition. After testing numerous versions, I’ve perfected a recipe that delivers a rich, savory filling and a perfectly golden, cheesy top every time. It’s a fantastic way to use up summer zucchini, creating a satisfying one-dish meal your whole family will request again.

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Cheesy Beef & Zucchini Casserole

  • Author: Dorothy Miller

Ingredients

Scale
  • 1 pound ground beef
  • 2 medium zucchinis, sliced
  • 1 onion, chopped
  • 2 cloves garlic, minced
  • 1 can (14.5 oz) diced tomatoes, drained
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste
  • 1 tablespoon olive oil
  • 1/2 cup breadcrumbs (optional)

Instructions

  1. Preheat oven to 375°F (190°C).
  2. In a large skillet, heat olive oil over medium heat. Add the chopped onion and minced garlic, sautéing for 2-3 minutes until the onion becomes translucent.
  3. Add the ground beef, breaking it apart with a spatula. Cook until browned (about 5-7 minutes). Drain excess fat if needed.
  4. Stir in the sliced zucchini, drained diced tomatoes, Italian seasoning, salt, and pepper. Cook for an additional 5 minutes, allowing the zucchini to soften slightly.
  5. Transfer the beef and zucchini mixture to a greased 9×13-inch baking dish.
  6. Sprinkle shredded cheddar and mozzarella cheese evenly over the top. If desired, add breadcrumbs for a crunchy topping.
  7. Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden brown.
  8. Let cool slightly before serving. Enjoy!

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