Flank Steak without parmigiano balsamic

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 2 tablespoons olive oil 2 1/4 teaspoons hot paprika 2 1/4 teaspoons ground cumin 1 1/2[...]

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 2 large sweet onions 4 tablespoons olive oil, divided 1/2 teaspoon salt 1/2 teaspoon freshly[...]

1 1 1/4-lb. flank steak Salt and pepper 1 tablespoon vegetable oil 3 tablespoons unsalted butter 2 red onions, cut in half lengthwise, thinly sliced crosswise[...]