Exotic Mushroom Pasta

• 3 tablespoons olive oil
• 2 cloves garlic, finely minced
• 1/2 cup chopped red onion
• 4 cups fresh, minced mushrooms
• 2 cups vegetable or beef stock
• 1/2 teaspoon chopped fresh thyme
• 4-6 tablespoons unsalted butter
• salt and pepper to taste

Heat olive oil in a large skillet and sauté garlic and onion for 3-5 minutes. Add mushrooms and sauté until they are brown and withered. Add stock and thyme, cover pan and cook over low heat for 20-30 minutes. Stir in butter, 1 TBSP at a time, until it is thoroughly blended. Add salt and pepper. Serve immediately over hot cooked pasta.