Dad'S Ultimate Pizza Sauce - cooking recipe

Ingredients

1 tablespoon butter
2 tablespoons olive oil
1/2 cup chopped onion
1/4 cup finely chopped celery
1/2 teaspoon minced garlic
1 (8 ounce) can tomato sauce
1 (6 ounce) can tomato paste
2 tablespoons grated Parmesan cheese
1 teaspoon fennel seeds, ground
1 teaspoon dried basil
1 teaspoon dried oregano
1/2 teaspoon salt
1/2 teaspoon white sugar
1/4 teaspoon ground black pepper
1 large bay leaf

Preparation

Melt butter with olive oil in a large skillet over medium heat. Cook and stir onion, celery, and garlic in the butter mixture until the onion is soft and translucent, 5 to 7 minutes.
Stir tomato sauce and tomato paste into the onion mixture until smooth; add Parmesan cheese, fennel seeds, basil, oregano, salt, sugar, pepper, and bay leaf. Stir the sauce and bring to a slow simmer; cook at a slow simmer for 1 hour. Remove and discard bay leaf before use.