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Easy Cheesy Ground Beef and Zucchini Bake

A square slice of baked Ground Beef and Zucchini Casserole topped with melted, golden-brown cheese.

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Make this comforting ground beef and zucchini casserole for a simple, satisfying weeknight dinner. It is a family-friendly bake that uses common ingredients.

Ingredients

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  • 1 tablespoon olive oil
  • 1 pound lean ground beef
  • 1 medium onion, chopped
  • 2 cloves garlic, minced
  • 2 medium zucchini, chopped
  • 1 (15 ounce) can tomato sauce
  • 1 teaspoon dried Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 cup shredded cheddar cheese
  • 1/2 cup shredded mozzarella cheese

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease an 8×8 inch baking dish.
  2. Heat the olive oil in a large skillet over medium heat. Add the ground beef and cook until browned, breaking it up as it cooks. Drain off any excess grease.
  3. Add the chopped onion to the skillet and cook until soft, about 5 minutes. Stir in the minced garlic and cook for 1 minute more until fragrant.
  4. Add the chopped zucchini, tomato sauce, Italian seasoning, salt, and pepper to the skillet. Stir well to combine.
  5. Cook the mixture for about 5 to 7 minutes, stirring occasionally, until the zucchini softens slightly.
  6. Transfer the ground beef and zucchini mixture to the prepared baking dish.
  7. Sprinkle the cheddar cheese and mozzarella cheese evenly over the top of the mixture.
  8. Bake for 20 to 25 minutes, or until the cheese is melted and bubbly and the casserole is heated through.
  9. Let the casserole rest for 5 minutes before you serve it.

Notes

  • For a low carb zucchini casserole variation, omit any added flour or breadcrumbs if your recipe calls for them. This version is naturally lower in carbohydrates.
  • You can substitute ground turkey or ground chicken for the ground beef if you prefer a lighter meal.
  • Add 1/2 teaspoon of dried oregano along with the Italian seasoning for a stronger herb flavor.

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