Rinse and dry cherries.
Melt chocolate with 2 tablespoons of water over water bath.
Dissolve powdered bitter chocolate, green tea and corn starch in some warm water. Transfer from fire, and add the chocolate mixture. Add egg yolks one by one, then cherries.
For the topping combine the listed ingredients and process it into a crumbly mixture. Put the cherry mixture with chocolate in the greased form and top with crumbly mixture.
Bake in the oven for 30 minutes at 180 °C.