Pour the margarine and the flour in a casserole and stir while cooking it slowly on low heat for approx five minutes.
Place the sauce in a form to make ice cubes in, and place it in the freezer.
Take away the skin from the chicken thighs, cut away the chicken meat from the bones. Cut the veal in small pieces. Place the chicken, veal and chicken skin in a casserole.
Peel and cut the carrots, garlic and onion in small pieces, and place it in the casserole.
Cut the parsley, the mushrooms and leek in small pieces, and pour it in the casserole.
Pour nutmeg, salt, pepper, and clove spices in the casserole, and stir it all together. Let it boil on low heat for one hour.
Start the oven at electrical heat at 200 degrees Celsius.
Roll out the puff pastry roll and let it rest ten minutes.
Cut out four circles per bouchée. On two circles cut out the middle so you have thin circles, they will be the middle part of the cylinder.
Place one of the big circle as a bottom, the two thin ones on top of the bottom, and at last place the second big circles as a hat. Repeat the same procedure with the rest of the bouchées.
Brush the bouchées with the egg yellow.
Place the bouchées in the middle of the oven until they become golden brown on the surface.
Cook rice or pasta according to the instructions on the box.
In the meanwhile remove the meat from the casserole to a bowl, and do the same with the vegetables.
Cut the meat in smaller pieces if you like to, and do the same with the carrots.
Add the meat, the chicken and the mushrooms back in the casserole, and cook for another fifteen minutes.
Pour in the carrots, leek, white wine, and the cream in the casserole, and cook another five minutes.
Take out the bouchées from the oven.
Pour in the sauce from the ice cube form in the sauce and stir together.
Cut away the top from each bouchées.
Place the bouchées on plates and pour sauce in them. add the pasta or rice on the side and pour some more sauce on the plate. Place back the hat on each bouchée before serving it.