Roast Beef with tenders

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[...]

1 tablespoon vegetable oil 2 potatoes , sliced thin 1/4 teaspoon pepper 1 teaspoon salt 1 medium onion , sliced 1 lb cooked beef, sliced 2 hard-boiled eggs ,[...]

4 medium red potatoes, each cut into 8 wedges 1/4 cup water 1/2 red onion , thinly sliced 1 lb roast beef 1 pint grape tomatoes , cut in half lengthwise 9[...]