Stuffed Pork Burgers

Directions

1. In a small skillet, saute the mushrooms, onions and garlic powder in butter until vegetables are tender. Remove from the heat.
2. In a large bowl, combine the Worcestershire sauce, mustard, salt and pepper. Crumble pork over mixture and mix well.
3. Shape into eight patties. Spoon mushroom mixture into the center of four patties to within 1/2 in. of edges. Top with remaining patties; pinch edges to seal.
4. Grill, uncovered, over medium heat for 4-5 minutes on each side or until a thermometer inserted in the meat reads 160°. Serve on rolls with lettuce, onion, tomato and mustard.