Melt the margarine in the microwave, add sugar, mix well.
Mix flour with baking powder. Add cinnamon. Mix it.
Mash bananas with a fork. It is important that they are very ripe, overripe.
Sprinkle the raisins with flour and mix. So that he doesn’t sink to the bottom of the cake.
Add eggs to the butter (margarine mixture), mix well.
Then gradually, in three steps, add flour with cinnamon and baking powder.
At the end, add bananas and raisins. Stir, but don’t get carried away, otherwise the pie will turn out to be rubber. Just a few movements to mix the ingredients.
The dough turns out to be quite thick.
Place the dough in a baking dish, greased with butter, and bake for about 50 minutes.