Tori momoniku to shiitake no cushion (steamed chicken with shiitake)

For ➋
250 g chicken thigh meat (without bone)
4 shiitake
½ leek
½ tbs grated ginger juice
1 tbs soy-sauce
1 tbs sake (or very dry sherry)
½ tbs sesame oil
1 tbs starch
salt & pepper

Trim fat and skin from chicken, and chop into small pieces.
Slice the shiitake.
Mix all ingredients and seasonings. Add the ginger juice. Add sesame oil, sake and soy-sauce. Add just a bit of salt and pepper. Mix well. Add starch and mix.
Put on a plate to steam. Heat a steamer. Steam for 30 m. Stir once after 15 m.
Read the chicken cooking tip.