Pasta al Segreto - ITALIAN Recipe - Food Recipes

Ingredients

• 4 tablespoons olive oil
• 1 cup diced onion
• 1 teaspoon salt, plus more to taste
• 2 or 3 cloves crushed garlic
• a pinch of red pepper flakes
• 1 can (28 oz) San Marzano tomatoes, blended smooth
• 1/2 cup water (to rinse out can of tomatoes)
• 1/2 cup basil leaves, sliced thinly
• 4 tablespoons cold butter, cubed
• 1 cup grated Parmigiano-Reggiano cheese, plus more for serving
• 1 (8 ounce) package pasta