Grilled Steak with vinaigrette

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1 small red onion, thinly sliced 1/2 cup olive oil 1 cup coarsely chopped walnuts 1 garlic[...]

1 pound hanger, skirt, or flank steak 1 teaspoon kosher salt plus more Freshly ground black pepper 1 medium tomato (about 6 ounces), halved 1 tablespoon[...]

3 pounds leeks white and pale green parts only, about 1 large bunch 2 tablespoons butter, unsalted 1 3/4 cups chicken broth, low salt 1 each bay leaf or 1/2[...]

1 lb sirloin steak 2 -4 tablespoons olive oil salt & pepper, to taste 1/2 large shallot , minced finely 4 tablespoons red wine vinegar 1 -2 tablespoon finely[...]