1 tablespoon oil |
2 large onions, sliced thin |
1 1/4 teaspoons mccormick's montreal brand steak seasoning |
16 ounces boneless strip steaks, 1/2 to 3/4 inch thick |
1 (14 ounce) boboli pizza crusts |
2 tablespoons dijon mustard |
1 cup reduced-fat cheddar cheese, shredded |
1 cup provolone cheese, shredded |