CHICKEN: Using the tines of the fork, prick holes through the skin and meat of the chicken. This allows for the marinade to seep through. Combine all the rest of the ingredients and marinate the chicken breasts for up to 4 hours.
Slice the cucumber into very thin julienne strips. Slice the green onion stalks into very thin julienne strips. Soak both the cucumber and the onions in 1 cup of ice cold water. Drain very well before serving.
Pre-heat oven to 400 degrees. Drain the breasts, discard marinade, and pat the chicken very dry, especially the skin side. Heat 3 tablespoons of cooking oil in large oven proof fry pan on high heat. If you don’t have an oven proof fry pan, just transfer the chicken to a roasting pan or baking sheet. When oil is hot, place chicken, skin side down in the pan. Fry until the skin is golden and crisp, about 3-5 minutes. (tip: don’t move the chicken when you are frying it. just leave it alone and let it fry to crisp up).
Turn skin side up and place oven proof fry pan in the oven for 15 minutes, until the chicken is cooked through. Timing really depends on how thick your chicken breasts are. I always use a quick read thermometer to check the internal temperature of the chicken breast- it should be 160 degrees. Move on to the making the pancakes in step 5, while the chicken is in the oven.
PANCAKE: Lightly spoon the flour into dry measuring cups; level with a knife. Combine flour and water in a large bowl. Stir until a soft dough forms. Turn the dough out onto a lightly floured surface. Knead until smooth and elastic (about 3 minutes).
Shape the dough into a 1 1/2-inch-thick log. Divide the dough into 16 equal portions. Roll each dough portion into a 6-inch circle on a lightly floured surface. Brush 8 pancakes evenly with oil. Top each with one of the remaining pancakes, gently pressing together.
Heat a medium nonstick skillet over medium-high heat. Place 1 pancake stack in pan, and cook 1 minute on each side or until slightly puffed. Remove from pan, and cool. Peel pancakes apart to make 2 pancakes.
TO SERVE: Remove chicken breast from the pan and let rest on cutting board for 10 minutes. After the 10 minutes have passed, carefully cut the chicken breast with the sharpest knife you own, into thin 1/2" thick slices, keeping the skin intact.
TO EAT: I typically serve this family style at the table and let everyone make their own. Place 1 pancake in the palm of your hand or on a plate; slather on Hoisin sauce, add 3 slices of chicken, a few cucumber strips and some green onion shavings. Roll the pancake up and chow down!