Combine all sauce ingredients, mixing well. Set aside.
Separate lettuce leaves. Wash and dry.
Soak bean thread noodles in boiling water for 30 seconds. Drain and rinse in cold water. Allow to cool.
Heat oil in a pan over med-high heat. Add diced chicken and cook, stirring regularly until just starting to brown. Add sauce and continue cooking for 30 seconds before removing from heat.
Thinly slice cucumber in semi circles. Add cucumber, tomatoes, and almonds to chicken.
Place about 1 tbs of bean threads in each lettuce cup. Add an equal portion of chicken mix to each cup.