Kaesmus - Rallenmus (Cheese Mush)

Yield:	4 Servings
Categories:	Pizza, German

4	tb	(heaping) flour
1		Egg
1	ds	Salt
100	g	Grated hard cheese ( 3 1/2 oz)
1/2	l	Mixture of milk and water (1 pint)
1		Onion, finely sliced
2	tb	Clarified butter