Ingredients for 8 servings
- 1 kilogram (2 'large' pounds) of sweet onions
- 2.5 COLD liters (1 'large' half of a gallon) of meat (veal or chicken) base for sauce (you can use already prepared dry cubes)
- 400 grams (1 'small' pound) of grated gruyère cheese
- 100 grams of butter
- 30 grams of wheat flour
- 32 thin slices of 'baguette' bread you have dried in the oven at 300° F during 30 minutes
- 1/4 liter of red Port (not compulsory but highly recommanded)
- 1 pinch of ginger powder
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