Melt butter in a frying pan. Cut leek and onions into fine slices. Sauté with salt and pepper in the butter for 15 min. Stir occasionally.
Add honey, cayenne pepper and thyme. At high temperature, brown the onions and add them.
Melt butter in a frying pan. Cut leek and onions into fine slices. Sauté with salt and pepper in the butter for 15 min. Stir occasionally.
Add honey, cayenne pepper and thyme. At high temperature, brown the onions and add them.