Simple Tomato Sauce Recipe - Food.com

Ingredients

• 1/2 cup extra virgin olive oil
• 1 small onion, chopped
• 2 garlic cloves, chopped
• 1 stalk celery, chopped
• 1 carrot, chopped
• sea salt
• fresh ground black pepper
• 2 (32 ounce) cans crushed tomatoes
• 2 dried bay leaves
• 4 tablespoons unsalted butter (optional)