For the beef
01 -
2 lb (900 g) flank steak
02 -
1 1/2 teaspoons kosher salt, plus more to taste
03 -
1/2 teaspoon black pepper
04 -
2 tablespoons olive oil
For the sauce
05 -
1 large yellow onion, thinly sliced
06 -
1 red bell pepper, thinly sliced
07 -
1 green bell pepper or Cubanelle pepper, thinly sliced
08 -
5 garlic cloves, minced
09 -
2 tablespoons tomato paste
10 -
1/2 cup (120 ml) dry white wine or vino seco
11 -
1 cup (240 ml) beef broth
12 -
1 can (14 oz / 400 g) crushed tomatoes
13 -
1 teaspoon ground cumin
14 -
1 teaspoon dried oregano
15 -
2 bay leaves
16 -
1/2 cup (75 g) pimiento-stuffed green olives, sliced
17 -
2 tablespoons capers, drained
18 -
1 tablespoon white wine vinegar
19 -
1/4 cup chopped cilantro or parsley