Beef with brisket

1 corned beef brisket (including seasoning packet) 12 flour tortillas or 12 corn tortillas or 12 crisp taco shells, warmed 3 cups shredded cabbage or 3 cups[...]

3-4 pounds beef brisket, rump roast or pot roast 1-2 each onions peeled, sliced 2-3 each potatoes peeled, sliced 2-3 each carrots peeled, sliced 1/2 cup water[...]

3 pounds beef brisket boneless 1/3 cup olive oil 2 large onions sliced 4 cloves garlic sliced 2 each carrots cut 2 cups beef broth 2 tablespoons lemon juice 4[...]