Spaghetti Squash Beef Casserole

Mozzarella cheese and crushed crackers create a golden crust on this spaghetti squash casserole made with ground beef and fresh vegetables.

• Preparation Time: 20 mins
• Cooking Time: 1 hr 31 mins
• Total Time: 1 hr 51 mins
• Calories: 300 Calories

Ingredients

• ¼ teaspoon salt
• 2 teaspoons butter, melted
• ¼ teaspoon ground black pepper
• 1 pinch dried thyme
• ½ teaspoon dried oregano
• 1 clove garlic, chopped
• ½ teaspoon dried basil
• 1 pound ground beef
• 1 (14.5 ounce) can diced tomatoes, drained
• ¼ cup diced red onion
• 2 ½ cups shredded mozzarella cheese
• ¼ cup diced green bell pepper
• 1 spaghetti squash, halved and seeded
• ½ (8 ounce) package sliced fresh mushrooms
• 1 cup crushed buttery round crackers (such as Ritz®)

Recipe Instructions

Step 1

Preheat oven to 375 degrees F (190 degrees C).

Step 2

Bake in the preheated oven until golden brown, about 40 minutes.

Step 3

Brush butter lightly over squash halves. Cover with aluminum foil.

Step 4

Bake in the preheated oven until easily pierced with a fork, about 40 minutes. Cool until easily handled, about 15 minutes.

Step 5

Preheat a large skillet over medium heat. Add ground beef; cook and stir until browned, about 5 minutes. Stir in tomatoes, mushrooms, red onion, green bell pepper, garlic, oregano, basil, salt, pepper, and thyme; cook, stirring occasionally, until flavors combine, 6 to 8 minutes.

Step 6

Scrape squash flesh into the skillet; mix into the beef mixture. Spoon into a large casserole dish. Fold in mozzarella cheese; top with crushed crackers.