1 beaten egg
¾ cup soft bread crumbs (1 slice)
2 tablespoon finely chopped onion
½ pound ground fully cooked ham
18 ¼ ounce can slice pineapple, drained
4 hamburger bunds, split and toasted
Butter or margarine
4 lettuce leaves
Combine egg, soft bread crumbs, and onion. Add ham; mix well. Form into four patties slightly larger than pineapple rings. Make a hole in the center of each patty. In 12×7 ½ x2-inches baking dish ham patties atop pineapple rings. Micro-cook, covered; till meat is done, about 6 minutes, giving dish a half turn pasties once.
Spread buns with butter and mustard. Place a ham patty and pineapple ring on bottom half of each bun; top with lettuce leaf, then bun top. Serve at once. Make sandwiches.