Luau Beef Strips

Directions

1. Cut steak into 1/8 by 2 inch strips. Brown steak in shortening in skillet. Add onions and 1/2 cup water. Simmer covered, for 30 minutes.
2. Drain pineapple, reserving juice. Add enough water to juice to measure 2/3 cup liquid. Combine with next 5 ingredients in saucepan. Cook until thick, stirring constantly.
3. Add sauce, pineapple and mushrooms to steak, mixing well. Cook covered, for 5 minutes. Fold in tomatoes and avocado. Cook until heated through. Serve over rice.