Panini, Steak & Cheddar Seasoned cooked beef steak, cheese & roasted onions with sauce in an onion focaccia crust. More filling. Sutffed sandwiches. 2 servings. U.S. Inspected and passed by Department of Agriculture. This entire package contains 440 calories. It's good to know. Good to remember! Most people need to increase their calcium intake according to the Dietary Guidelines for Americans. Good to know! Hot Pockets brand Panini is an excellent source of calcium.