INGREDIENTS: 2 tablespoons butter 1 large yellow onion (or 2 small onions) 1/8 cup sherry 1/3 cup white wine 3 sprigs fresh thyme Salt and pepper to taste 1 box penne 3 cups beef stock or broth (1 box) 1 tsp Worcestershire sauce 1/2 cup grated or shredded Parmesan cheese Directions: Melt butter in a…