Dipping Sauce:
1/2 cup gf soy sauce
2 Tablespoons rice vinegar
Juice from 1/2 lime
1 teaspoon sesame oil
Dash of cayenne pepper (or more to taste)
2 teaspoons fresh ginger, minced
2 Tablespoons packed brown sugar

2 cups shiitake mushrooms, sliced
3 boneless, skinless chicken breasts, chopped into bite-size pieces
2 Tablespoons olive oil
Salt and freshly ground black pepper
3 garlic cloves, minced
1 large shallot, minced
1-1/2 Tablespoons fresh ginger, peeled & minced
1/2 teaspoon orange zest
1/2 red bell pepper, diced
1 6oz. can of sliced water chestnuts, drained & chopped
3 scallions, chopped
1/2 cup bean sprouts
3 Tablespoons gf Hoisin sauce
1/2 head iceberg lettuce, core removed, head quartered