One-Pot Caramelized French Onion Pasta

Ingredients

• 12 ounces rigatoni pasta
• 2 tbsp butter
• 2 tbsp olive oil
• 3 large yellow onions
• 5 garlic cloves
• 3 tsp fresh thyme
• 1 /3 cup white wine
• 1 tsp worcestershire sauce
• 1 tsp salt
• 1 tsp black pepper
• 3 cups beef stock
• 1 cup water
• 1 /3 cup heavy cream
• 1 1/2 cups gruyere cheese or sharp white cheddar