Recipe for an onion soufflé that melts in your mouth

Ingredients:

Leek - 250 grams
Salt - 1 teaspoon

Roasting - 5 minutes

Butter - 60 grams
Wheat flour - 30 grams
Milk - 50
Salt - 1 gram

Hard cheese - 35 grams
Chicken yolk - 4 pieces
The protein

Vegetable fat

OVEN | 180 degrees | 20 minutes