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.
Add fruits
Rinse berries and apple. Peel and cut apple into quarters and then into thin slices.
Add fruits into the cake dough.
Bake
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.
Notes
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.