How to Caramelize Onions for French Onion Soup, Deeply

To caramelize onions for French onion soup, cook 3 pounds of thinly sliced yellow onions in a wide, heavy pan with 2 tablespoons of butter, 1 tablespoon of oil, and 1 teaspoon of salt for 45-60 minutes. Stir more often as the onions darken, then deglaze the mahogany fond with 1/2 cup of wine, stock, […]