Ingredients for - Rich and Simple French Onion Soup

1. Unsalted butter ½ cup
2. Olive oil 2 tablespoons
3. Sliced onions 4 cups
4. Beef broth 5 cups
5. Dry sherry 2 tablespoons
6. Dried thyme 1 teaspoon
7. Salt and pepper to taste 1 pinch
8. French bread 4 slices
9. Provolone cheese 4 slices
10. Swiss cheese, diced 2 slices
11. Grated Parmesan cheese ¼ cup

How to cook deliciously - Rich and Simple French Onion Soup

1 . Stage

Gather all ingredients. Dotdash Meredith Food Studios

2 . Stage

Melt butter with olive oil in an 8-quart stock pot over medium heat. Add onions to butter and continually stir until tender and translucent. Do not brown the onions. Dotdash Meredith Food Studios

3 . Stage

Add beef broth, sherry, and thyme. Season with salt and pepper. Let simmer for 30 minutes. Dotdash Meredith Food Studios

4 . Stage

Meanwhile, preheat the oven's broiler.

5 . Stage

Ladle soup into oven-safe serving bowls and place one slice of bread on top of each (bread may be broken into pieces if you prefer). Layer each slice of bread with a slice of provolone, 1/2 slice diced Swiss and 1 tablespoon Parmesan cheese. Dotdash Meredith Food Studios

6 . Stage

Place bowls on a cookie sheet and broil in the preheated oven until cheese bubbles and browns slightly, 2 to 3 minutes. Dotdash Meredith Food Studios

7 . Stage

Serve hot and enjoy! DOTDASH MEREDITH FOOD STUDIOS