10 C Water
1 C Beef Base Paste
5 Large Onions, Sliced Thin
2 C Dry Red Wine
1 T Thyme
Fresh Ground Pepper & Salt to taste.
1 lb Gruyere Cheese
Mix all ingredients and simmer until onions are very tender about an hour.
Preheat oven to 400 degrees.
1 Loaf Rosemary Focaccia or Ciabiatta Bread
Cut bread into medium size cubes. Place on a parchment lined baking sheet in a single layer. Bake for 10 minutes or until hard.
Ladle hot soup into ovenproof bowls. Top with croutons and a slice of Gruyere cheese. Broil until hot, bubbly and browned. Serve!