Ham Fried Rice

Ingredients:
6 cups cooked rice
10 oz diced ham
6 oz sliced mushrooms
4 eggs
1 onion, chopped
salt
pepper
4 tsp oil
2 Tbsp butter
4 Tbsp soy sauce

Directions:
In a wok, put butter, ham, onion and mushrooms in and fry until onions are tender. Add eggs, mix until eggs are cooked. Add salt and pepper to taste. Add oil, then rice. Cook until rice is warm. Add soy sauce. Mix and warm an additional minute.