Pour yogurt into a large bowl. Add sugar, flour and baking powder, combine.
Then add the olive oil and the 3 whole eggs, mix again.
Rinse berries and apple. Peel and cut apple into quarters and then into thin slices.
Add fruits into the cake dough.
Grease and flour a baking tin, pour in the dough and bake at 180°C / 350°F for about 40 minutes (more or less depending on the thickness of the dough in your mold, check if the cake is baked by inserting a sharp knife in, the blade should come out dry.
By pot I mean that you use the yogurt container as a measuring cup for the other ingredients. You may use it just after pouring off yogurt or wash and dry it.