Ingredients for - Easy Italian Sausage Spaghetti

1. Olive oil 1 tablespoon
2. Sweet Italian sausage 2 pounds
3. Fresh mushrooms, sliced 1 pound
4. Onion, chopped 1
5. Green bell pepper, chopped 1
6. Minced garlic 1 tablespoon
7. Tomato sauce 2 (28 ounce) cans
8. Tomatoes, diced 2
9. Tomato paste 1 (6 ounce) can
10. Sliced black olives, drained 1 (6 ounce) can
11. Dried oregano, or to taste 1 teaspoon
12. Dried basil, or to taste 1 teaspoon
13. Salt to taste 1 teaspoon
14. Spaghetti, or as needed 1 (16 ounce) package
15. Grated Parmesan cheese, or to taste ¼ cup

How to cook deliciously - Easy Italian Sausage Spaghetti

1 . Stage

Heat olive oil in a large skillet over medium-high heat. Cook and stir sausage, mushrooms, onion, green bell pepper, and garlic in hot oil until sausage is browned and crumbly, about 20 minutes; drain and discard grease.

2 . Stage

Stir tomato sauce, diced tomatoes, tomato paste, and olives into sausage mixture; season with oregano, basil, and salt. Simmer mixture until flavors infuse, about 30 minutes.

3 . Stage

Bring a large pot of lightly salted water to a boil. Cook spaghetti in boiling water, stirring occasionally, until cooked through but firm to the bite, about 12 minutes. Drain and transfer to a serving bowl; top with tomato-sausage sauce and Parmesan cheese.