Pasta alla Vodka

INGREDIENTS

• 1 pound Pasta
• 2 Tablespoons Olive Oil
• 2 Tablespoons Butter
• 1 whole Medium Onion, Chopped Finely
• 2 cloves (to 3 Cloves) Garlic, Chopped
• 3/4 cups (to 1 Cup) Vodka
• 1 can (About 14 Oz.) Tomato Puree
• 1 cup Heavy Cream
• 1 pinch Red Pepper Flakes
• 1/4 teaspoon (to 1/2 Teaspoon) Salt
• Freshly Ground Black Pepper, To Taste
• 1 cup Grated Parmesan Cheese