LJ's Easy Penne with Vodka Sauce

INGREDIENTS

• 3 tablespoons olive oil
• 1 small onion, chopped
• 4 cloves garlic, minced
• 1/4 teaspoon crushed red pepper flakes
• 1/2 cup vodka
• 1 (28 ounce) can crushed tomatoes
• 1 cup light cream
• 1/2 cup grated Romano cheese
• salt and pepper to taste
• 1 pound penne pasta