First mix the flour, almonds and sugar for the crumble.
Add the butter and work everything into sprinkles using the dough hook or your fingers. Refrigerate.
Drain the cherries well.
Grease a tray and place a baking frame of approx. 20 x 30 cm on it. Alternatively, you can use a 26 or 28 springform pan.
Meanwhile bake the oven to 180 ° C top / bottom heat.
Beat the eggs until frothy, pour in the sugar and keep beating until the mixture is creamy. Mix the flour with the custard powder and baking powder. Mix the flour mixture with the butter and egg liqueur into the egg mixture.
Pour into the prepared baking frame or springform pan and smooth out.
Spread the cherries evenly on top and sprinkle with the crumble.
Bake in the preheated oven for about 25-30 minutes (up to 40 minutes in the springform pan).