Baked Reuben Sandwich

Heat oven to 4000^. Spray 8-inch(2 qt.) square glass baking dish with cooking spray. In medium bowl, stir Bisquick,milk,egg and 1 teas. of the caraway seed with fork until blended. Spread 1 cup of batter in baking dish. Brush corned beef slices with mustard; layer on top of batter in baking dish. Top evenly with cheese and sauerkraut. Carefully spread remaining batter over sauerkraut. Sprinkle with remaining 1 teaspoon caraway seed. Bake uncovered 28-32 minutes or until light golden brown and center is set. Let stand 5 minutes before cutting. Serve with Thousand Island dressing.