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Zucchini and beef casserole on a white plate
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5 from 34 votes

Zucchini Casserole with Ground Beef

An easy and delicious low carb casserole!
Prep Time5 mins
Cook Time55 mins
Resting time10 mins
Course: Main Course
Cuisine: American
Servings: 4
Calories: 543kcal
Author: Sula

Ingredients

  • 1-2 tablespoons olive oil for cooking
  • 1 onion medium yellow, chopped
  • 3 garlic cloves minced
  • 1 pound ground beef
  • 14 oz can diced tomatoes
  • 2 tablespoons tomato paste
  • 1 tablespoon Italian seasoning
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ cup water
  • ½ cup Parmesan cheese shredded
  • 1 pound zucchini sliced
  • 1 cup cheese Italian blend

Instructions

  • Heat oil in skillet on medium heat. Add onions and cook 2-3 minutes until softened but not brown.
  • Add ground beef. Break up the meat and cook, stirring regularly, until fully brown, about 4-5 minutes. (Drain any excess fat at this point, if applicable)
  • Add Italian seasoning, salt and pepper and minced garlic. Stir and cook for one minute.
  • Add diced tomatoes, tomato sauce and water. Mix well to make a sauce. Bring to a boil, then lower the heat and simmer, uncovered, for 7-10 minutes.
  • Add Parmesan cheese and zucchini and stir until well coated in sauce. Remove from heat.
  • Transfer mixture to a 2- to 3- quart casserole dish. Top with shredded Italian cheese.
  • Cover and bake in a 375F oven for 30 minutes. Remove cover and bake an additional 10 to 15 minutes uncovered. Remove from oven and allow to rest at least 10 minutes before serving.

Video

Nutrition

Calories: 543kcal | Carbohydrates: 14g | Protein: 34g | Fat: 39g | Saturated Fat: 17g | Cholesterol: 119mg | Sodium: 1251mg | Potassium: 974mg | Fiber: 4g | Sugar: 8g | Vitamin A: 867IU | Vitamin C: 34mg | Calcium: 454mg | Iron: 5mg

Nutrition values are estimates only, using online calculators. Please verify using your own data.