For the meatloaf: Place the dried shiitake mushroom in a bowl and cover with 60ml water. Soak for 30 minutes, reserve the liquid.
Put ground pork, Atsuage, egg, onion, panko, sake, mirin, miso and soy sauce in a food processor and process untileverything is finely chopped.
Drain and squeeze the shiitake mushroom, and stir into the meat mixture. Preheat oven to 200℃. Line a loaf pan with oven paper. Press mixture evenly into the loaf pan, and bake for 15 minutes.
or the Apricot sauce: Place apricot jam, sake, miring, soy sauce and 45ml of the reserved liquid in a small saucepan. Simmer, until reduced the sauce by two thirds.
Spread the apricot sauce on the meatloaf, and bake again at 180℃ for 20 minutes.