3/4 cup thinly sliced fresh mushrooms 1/4 cup thinly sliced green onion 1 clove garlic
minced 2 teaspoons butter or margarine 1 1/2 pounds lean ground pork 1 teaspoon Dijon-style mustard 1 teaspoon Worcestershire sauce 1/4 teaspoon salt 1/8 teaspoon freshly ground pepper
In skillet, saute mushrooms, onion and garlic in butter until tender, about 2 minutes; set aside. Combine ground pork, mustard, Worcestershire sauce, salt and pepper; mix well. Shape into 12 patties, about 4 inches in diameter. Spoon mushrooms mixture onto center of 6 patties. Spread to within 1/2 inch of edge. Top with the remaining 6 patties; seal edges. Place patties on grill about 6 inches over medium coals. Grill 10-15 minutes, turning once. Serve on buns, if desired.