Classic Stuffed Shells
Ingredients: For the Sauce 3 tablespoons olive oil 1 large onion, finely diced 6 cloves garlic, minced 1/8 teaspoon crushed red pepper flakes (tiny pinch!) 1/3 cup red wine (optional) 2 (28 ounce) cans crushed tomatoes 1/2 teaspoon salt, add more to taste 1/4 teaspoon ground black pepper, add more to taste 2 teaspoons granulated…
