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Ground Beef Zucchini Casserole

A close-up of a slice of ground beef zucchini casserole, topped with melted cheese and marinara sauce.

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A hearty, low-carb ground beef and zucchini casserole with marinara and cheese, perfect for weeknight dinners and meal prep.

Ingredients

Scale
  • 1 pound ground beef
  • 1 medium onion, chopped
  • 2 cloves garlic, minced
  • 2 medium zucchini, thinly sliced
  • 1 (15 ounce) can marinara sauce
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 cup shredded mozzarella cheese
  • 1/2 cup shredded cheddar cheese

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a large skillet, brown the ground beef with the chopped onion over medium-high heat. Drain off any excess grease.
  3. Add the minced garlic and cook for 1 minute more until fragrant.
  4. Stir in the sliced zucchini, marinara sauce, Italian seasoning, salt, and pepper. Bring to a simmer and cook for 5 minutes, stirring occasionally.
  5. Pour the mixture into a 9×13 inch baking dish.
  6. Top evenly with mozzarella and cheddar cheese.
  7. Bake for 20-25 minutes, or until the cheese is melted and bubbly and the casserole is heated through.
  8. Let stand for 5 minutes before serving.

Notes

  • This casserole is great for meal prep. Divide into individual portions for easy lunches.
  • For a gluten-free option, ensure your marinara sauce is gluten-free.
  • You can add other vegetables like bell peppers or mushrooms.

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