French Onion Soup | Rocky Mountain Lodge

Ingredients

• 1 lb. sliced, yellow, white, or sweet onions (about 2 - 2 1/2 cups)
• 2-3 Tbsp butter
• salt and pepper to taste
• 1/4 cup dry sherry
• 3 cups beef broth
• 3 cups chicken broth
• toasted French bread, baguette slices, sourdough bread slices, or croutons
• 6 tsp. grated Parmesean cheese
• 6 slices Gruyere or Provolone cheee