3 onion soup lyonnaise Recipes

butter, yellow onions, thinly sliced, salt, pepper, yellow onion, halved but not peeled, sugar, veal broth (i d have to use beef broth), grated gruyere cheese, baguette, melted butter or olive oil

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