1 to 1 1/2 lbs. hamburger
1 sm. onion, chopped
4 (8 oz.) cans taco sauce
1 tsp. each garlic powder & onion powder (not salt)
6 hard taco shells, finely crushed
2 tsp. beef bouillon crystals or 2 cubes crushed
2 eggs
2 tsp. Worcestershire sauce

Mix all ingredients thoroughly. Shape and put in pan. Bake at 350 degrees about 1 hour.