Water the wooden skewers. For the sauce, mix mirin, soy sauce, sake and sugar. Reduce by about 1/3 over high heat, stir more often. Season with chili if necessary. Remove the skin from the chicken breasts. Wash meat and liver, pat dry, dice
Peel and finely dice the ginger. Squeeze the sausage meat and knead with ginger. Form balls with moistened hands. Clean and wash the mushrooms and carve them crosswise at the top. Clean and wash spring onions and bell peppers and cut them into pieces
Put chicken fillet with skin and spring onions, chicken fillet without skin and pieces of paprika, poultry liver and mushrooms either alternately or only one variety each on wooden skewers. Put 3-4 meatballs on each of the remaining skewers
Fry the skewers on or under the hot grill for approx. 8 minutes or in a large pan in hot oil for approx. 10 minutes while turning. Coat with the sauce about 2 minutes before the end of the frying time and continue frying. Arrange and garnish with mint if desired