World'S Best Marinara - cooking recipe

Ingredients

1 tablespoon olive oil
1 sweet onion, diced
4 cloves garlic, minced
1 (8 ounce) package fresh mushrooms, chopped
1 red bell pepper, diced
1 cup fresh flat-leaf parsley, torn
2 tablespoons oregano
2 tablespoons white sugar
2 teaspoons dried basil
1 teaspoon dried rosemary
1/2 teaspoon dried sage
1/2 teaspoon red pepper flakes
1/2 teaspoon salt
ground black pepper to taste
1 (28 ounce) can tomato sauce

Preparation

Heat olive oil in a saucepan over medium heat; cook and stir onion and garlic until fragrant, about 2 minutes. Add mushrooms, red bell pepper, and parsley; cook and stir until mushrooms are slightly softened, about 2 minutes. Add oregano, sugar, basil, rosemary, sage, red pepper flakes, salt, and black pepper; stir to combine, 2 minutes.
Stir tomato sauce into seasoned onion-mushroom mixture; cook over low heat until flavors have combined, 30 minutes.
Transfer half the sauce to a blender; blend until smooth. Return to saucepan with the remaining sauce; stir to combine.