Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
1 (12-ounce) boneless beef sirloin steak (about 1 inch thick), trimmed $
2 tablespoons canola mayonnaise $
1 (12-ounce) piece white or whole-grain baguette, split in half horizontally
3 (1/8-inch-thick) red onion slices