Creamy & Fiery Vodka Rigatoni

Ingredients

• 1 medium onion, finely chopped
• 2 tablespoons olive oil
• 1/2 teaspoon sea salt
• 1/4 teaspoon ground black pepper
• 1/4 teaspoon red pepper flakes
• 16 ounces rigatoni pasta
• 1 cup heavy cream
• 1/2 cup fresh basil leaves, finely chopped
• 1/2 cup freshly grated Parmesan cheese
• 1 tablespoon light brown sugar
• 1/3 cup vodka
• 4 cloves garlic, minced
• 3 cups crushed tomatoes