Mushroom Sauce For Steak - cooking recipe

Ingredients

3 tablespoons butter
1 onion, large, sliced thinly
2 cups mushrooms, sliced
2 teaspoons cornflour
1 cup water
2 teaspoons vegemite
2 tablespoons tomato sauce
2 teaspoons Worcestershire sauce
2 teaspoons grainy mustard

Preparation

Heat the butter in a pan and saute the onion for 5 minutes or until onion's are soft. Add the mushrooms and cook a further 2 minutes. Blend the cornflour with a little of the water and add to the pan with remaining water, Vegemite, sauces and mustard. Stir over a medium heat until the sauce thickens.
Pour over steaks for serving.