For filling:
3 Tablespoons unsalted butter
2 Tablespoons gf flour
1/2 cup, plus 2 Tablespoons milk
1/3 cup gf chicken stock
2 Tablespoons shallots, chopped
2 large button mushrooms, chopped
1 cup cooked chicken, chopped
1-1/2 Tablespoons dry Sherry
1/2 lb. thin asparagus, trimmed
1 teaspoon unsalted butter
For
crépes:
1/2 cup gf flour
1/2 cup milk
2 large eggs
2 Tablespoons unsalted butter, melted
Pinch of salt
Few grates of nutmeg
1 Tablespoon unsalted butter
For topping:
1 large egg yolk
5 Tablespoons chilled heavy cream
1 Tablespoon unsalted butter