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5 from 5 votes

Baked Spaghetti Casserole

This Baked Spaghetti Casserole takes the delicious flavors of traditional spaghetti and transforms them into a casserole that's perfect for a busy weeknight!
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Main Course
Cuisine: Italian
Keyword: baked spaghetti, spaghetti casserole
Servings: 8 servings
Author: Ashley Leonard

Ingredients

  • 1 # spaghetti noodles
  • 1 tbsp. olive oil
  • 1 # ground beef
  • 1 white onion chopped, about 1 cup
  • 1 green pepper chopped, about 1 cup
  • 1 tsp. salt
  • ½ tsp. black pepper
  • ½ tsp. garlic powder
  • 1 - 10.5 oz. can cream of mushroom soup
  • 24 oz. jar spaghetti sauce
  • 2 tsp. Italian seasoning
  • 2 cups mozzarella cheese shredded

Instructions

  • Preheat oven to 350 degrees. Cook spaghetti al dente* according to box instructions. Drain and set aside.
  • While pasta is cooking, heat oil in a large skillet. Add ground beef, season with salt and pepper & break apart into small pieces. Continue cooking until meat is no longer pink. Drain any grease from the hamburger.
  • Add onion and green pepper and saute for another 3-4 minutes. Add the mixture to a large mixing bowl.
  • To the mixing bowl add cooked noodles, spaghetti sauce, cream of mushroom soup and Italian seasoning.
  • Pour mixture into a greased 9x13 baking dish and sprinkle with mozzarella cheese.
  • Bake 30-35 minutes until heated through and cheese is melted.

Helpful Equipment & Ingredient Links

Skillet
Baking Dish

Notes

  • To cook the pasta al dente, boil the noodles for the shortest time listed on the box directions. This ensures the pasta doesn't get too mushy baking in the oven.