3 lyon style soup Recipes

pumpkin, potatoes, creme fraiche, emmenthaler cheese or 150 g swiss cheese, butter, salt, pepper

unsalted butter or 4 tbsp unsalted margarine, yellow onions, thinly sliced, salt, fresh ground pepper, cognac, beef stock or 8 cups broth, fresh thyme , tied into bundle, french bread , cut into 1/2-inch slices, gruyere cheese , coarsley grated, egg yolks (optional), port wine (optional), chopped parsley, garnish