Easy Crockpot French Onion Soup Recipe - Restaurant Style - Recipes by Clare

Ingredients

• 4 large onions, thinly sliced.
• 6 cups beef broth.
• 2 tablespoons butter.
• 1 teaspoon sugar.
• 1 teaspoon dried thyme.
• Salt and pepper to taste.
• French bread slices, toasted.
• 2 cups Gruyère cheese, shredded.