Prep Time: 20 minutes
Cook Time: 30 minutes
Total Time: 50 minutes
Yield: 6 servings
- 1 tablespoon olive oil
- 1 onion, chopped
- 1 (16-ounce) package frozen precooked meatballs
- 1 (26-ounce) jar spaghetti sauce
- 1/2 cup water
- 1 pound spaghetti pasta
- 1/3 cup grated Parmesan cheese
Meanwhile, heat olive oil in large skillet over medium heat. Add onion; cook and stir for 3 minutes. Add frozen meatballs; cook and stir for 3 minutes. Add spaghetti sauce and stir.
Pour water into spaghetti sauce jar; close jar, and shake vigorously. Pour this mixture into skillet and bring to a simmer. Simmer 4 minutes.
Stir in spaghetti pasta. Pour into 3-quart casserole dish and top with cheese.
Bake for 25-35 minutes until casserole is bubbly.