Cut 2 pineapple slices in small wedges; combine with beans and mustard in a 1-1/2 quart casserole. Arrange frankfurters on top. Cut remaining pineapple slices in half; place on franks. Insert 2 cloves in each pineapple half. Pour syrup over all.

Bake at 375 degrees for 45 minutes or until bubbly.