1 lb. ground beef
1/2 c. crushed Old El Paso taco or tostada shells
1/3 c. milk
1/2 tsp. onion salt
15 sm. tomatoes, peeled, seeded, chopped
1 c. guacamole
5 hamburger buns, split, toasted & buttered

Mix together ground beef, crushed taco shells, milk, onion salt. Shape into 5 patties. Grill over hot coals 4 to 5 minutes on each side. Stir tomato into guacamole. Top each burger with guacamole. Serve on buns.