Spaghetti all'Amatriciana - Recipe Fund

Ingredients

• 12 ounces (340g) spaghetti
• 1 tablespoon olive oil
• 4 ounces (113g) pancetta or guanciale, diced
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 1 (14-ounce) can of crushed tomatoes
• 1/2 teaspoon red pepper flakes (adjust to taste)
• Salt and freshly ground black pepper, to taste
• 1/2 cup grated Pecorino Romano cheese
• Fresh parsley, chopped, for garnish (optional)