Slow-Simmered Spaghetti Sauce

Name: Slow-Simmered Spaghetti Sauce
Prep time: 15 min
Cook time: 6 h
Total time: 6 h 15 min
Yield: 2 1/2 quarts
Ingredients: 2 cloves garlic, minced; 1 large onion, chopped; 4 (14 1/2 ounce) cans Italian-style tomatoes, undrained and chopped; 1 (15 ounce) can tomato sauce; 1 (12 ounce) can tomato paste; 3 teaspoons dried basil; 3 teaspoons dried oregano; 1/2 teaspoon dry crushed red pepper; 1 teaspoon salt