Defrost the dough. Clean the mushrooms. Wash, dry and dice the fillets. Heat oil in a pot. Brown meat and mushrooms in it one after the other in portions. Season with salt and pepper, remove
Heat the fat in the frying fat. Sweat 50 g flour in it. Stir in 1/2 l water, milk and wine. Bring to the boil, stir in stock and simmer for about 10 minutes
Drain the asparagus, chop it finely. Peel, wash and finely chop the carrots. Season sauce with salt, cayenne pepper and lemon. Fill with fillet, mushrooms, asparagus, carrots and peas into a greased casserole dish (approx. 30 cm long)
Roll out dough sheets one by one on flour. Cut lengthwise, possibly up to something, into strips of about 1 cm width. Brush ends with water. Place the strips in a grid pattern over the ragout. Press on the edge of the mould
Cut out motifs from the rest of the dough and decorate the grids with them. Mix egg yolk and 1 tbsp. water. Spread the dough with it. Bake in the preheated oven (electric oven: 200 °C/ convection oven: 175 °C/gas: level 3) for 20-25 minutes. Served with: buttered rice