1. In large skillet combine 1 cup water, the soy sauce, ginger, raisins, and onion. Cover and bring to a simmer over medium-high heat.; simmer 5 to 6 minutes or until raisins are plump and onions are tender. Transfer raisin mixture to small bowl; stir in 1/4 tsp. black pepper. Set aside.

2. Add sliced pork to cooking liquid in pan. Simmer, uncovered, 7 to 8 minutes or until pork is cooked through (just a rare trace of pink remains), turning once. Remove with a slotted spoon.

3. Serve pork in buns with cucumber slices and raisin mixture.