Ground Pork and Pineapple Salad

1 lb lean ground pork
2 T water
1-1/3 cooked shrimp (tiny bay shrimp are fine)
2 T lemon juice
2 T fish sauce
1/4-1/2 t cayenne
2 T finely sliced onion
2 T green onions, cut in 1/2-inch pieces
2 T peanuts, toasted
2 slices pineapple, roughly chopped
2 T ginger root, sliced
1 T fresh mint, chopped
2 T fresh cilantro, chopped
6 large lettuce leaves

Cook pork in a wok over medium heat with the water until cooked through but still juicy. Remove from heat. Add the shrimp, lemon juice, fish sauce, and cayenne, and stir. Add onions, peanuts, pineapple, ginger, mint, and cilantro. Toss lightly.
Serve on a bed of lettuce, garnished with cilantro, mint, and green onion.