1 bunch fresh parsley 1 bunch fresh cilantro 2 cloves garlic 1 large red onion, halved and sliced Kosher salt and freshly ground pepper 2 Tbsp red wine vinegar 3 Tbsp lemon juice 1/2 cup plus 1 Tbsp olive oil 1 pound chuck or top
round steak (London broil) 3 red or green bell peppers, seeded and cut into strips 1/4 cup lager beer 8 8 - inch
flour tortillas Lime wedges, for serving (optional)