Preheat the oven to 175 degrees Celcius.
Line a 14*20 (or similar) baking pan with parchment paper.
Combine the ingretdients for the bars, except for the cherries, in a bowl.
Press down the bar mixture in the baking pan.
Add the pitted and halfed cherries on top and press them down gently.
Combine the ingredients for the crumble and add on top of the cherries.
Bake in the oven for 20-25 minutes.
Take out and let them it cool before slicing.