In a heavy bottom pan, melt butter. Add onions, thyme and garlic. Sauté, stirring frequently, until they turn a rich brown color, approximately 25 minutes. Once onions are brown, remove thyme stems and whole garlic cloves.
Add water and Beef Base to onions. Heat to boiling; stirring frequently. Reduce heat and gently simmer for 5 minutes. Seasoning to taste.
For service: Portion 6-1/2 oz. soup into heavy bowl. Place 2 slices of toasted french bread on top of soup (to float like a raft), and then place 2 oz of cheese on top of bread. Place bowl of soup under a broiler until cheese is melted. Serve hot
2 1.2 oz Minor's® Gluten Free Beef Base made with Natural Ingredients 6 x 1 pound