Step 1 / 4
Peel and slice the onions and cook on very low heat in the butter for 1 1/2 hours.
Finest French Onion Soup
Ingredients (for 4 servings)
- 5 whole — Onions
- 4 tbsp — cultured butter
- 8½ cup — stock
- 1 tbsp — fish sauce
- 2 tsp — apple cider vinegar
- 1 tsp — Thyme
- ½ cup — gruyere cheese