INGREDIENTS
1 tbsp
vegetable oil
2 lb
beef flank steak
1 cup
beef broth
1 8 ounce can
tomato sauce
1
small onion, sliced
1
green bell pepper, seeded and sliced into strips
2 cloves
garlic, chopped
1 6 ounce can
tomato paste
1 tsp
ground cumin
1 tsp
chopped fresh cilantro
1 tbsp
olive oil
1 tbsp
white vinegar