Here is a recipe which was provided to us by French's, for our member's benefit.
Grilled Roast Beef Sandwiches
Prep time: 10 min.
Cook time: 5 min.
4 tbsp. FRENCH'S® Horseradish Mustard or FRENCH'S® Spicy Brown Mustard
8 slices focaccia-style bread
1/2 lb. sliced roast beef
3/4 cup sauerkraut, drained
8 slices Muenster cheese
SPREAD 1/2 tbsp. mustard on each slice of bread.
ARRANGE roast beef, sauerkraut and cheese on four slices bread, dividing evenly. Cover each with second slice of bread, mustard side down.
GRILL sandwiches over medium heat until cheese melts slightly, turning sandwiches over once and pressing down firmly with metal spatula. Cut in half to serve.