Onion puree
Instructions
Peel and slice the onions.
Blanch for a few minutes in salted water and drain well.
Put the onions in a saucepan and simmer them in 50 g of butter, mixing and being careful not to brown them.
Add a little salt and sugar and ground pepper then the bechamel sauce, stir, cover the Pan and put in oven at 170 degrees for 30 minutes.
Pass through a sieve, add the rest of the butter, cream and mix well before serving.