1. Preheat panini press according to manufacturer's instructions. In small bowl, stir together mashed potatoes and mayonnaise; mix well. Spread mixture evenly over cut sides of buns. Next, place 1 slice of cheese on each bun bottom. Divide roast beef evenly among bun bottoms, top each sandwich with remaining slices of cheese, add bun tops. 2. Grill sandwiches 3 to 4 minutes or until golden brown and cheese is melted. ---------------------------------------------------------------------------
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Ingredients