Miscellaneous with onion

1/2 cup kraft balsamic vinaigrette dressing 1 (3/4 lb) boneless beef roast , sirlion steak 1/2 -3/4 inch thick 2 large yellow peppers, cut in half lengthwise[...]

3 teaspoons olive oil 1 cup finely chopped red onion 11 ounces roasted red peppers, roughly chopped 1 tablespoon balsamic vinegar 1/2 teaspoon dried basil 2[...]

1 tablespoon extra-virgin olive oil 1 (1-pound) flank steak, trimmed 1/2 teaspoon salt 1/2 teaspoon freshly ground black pepper, divided 3 garlic cloves,[...]