Step 1

Heat oven to 375°F. Unroll 1 can of dough onto large ungreased cookie sheet. Spread Thousand Island dressing on dough to within 1/2 inch of edges. Top with corned beef, Swiss cheese and sauerkraut.

Step 2

Unroll remaining can of dough on work surface. Spread mustard to within 1/2 inch of edges. Place mustard side down on sauerkraut. Press edges with fork to seal. Brush with egg. Sprinkle with sesame seed.

Step 3

Bake 20 to 25 minutes or until deep golden brown. Cut into slices to serve.