Beef with sprinkles

3/4 pound beef, round steak 1/2 teaspoon meat tenderizer * 3 tablespoons vegetable oil 3 tablespoons vinegar 1/2 teaspoon salt 1/4 teaspoon cumin ground * 1/4[...]

1 tablespoon vegetable oil 1 onion, chopped 1 clove garlic, minced 4 tomatoes, chopped 2 cups chopped cooked roast beef 1 (8 ounce) jar prepared taco sauce 1[...]