Preheat oven to 400 °F (200 °C).

Cream the butter and confectioner’s sugar.

Add the eggs.

Add the whole wheat flour, baking powder, milk, and salt and knead to a dough.

Peel the bananas, halve the long way, and soak with lemon juice.

Butter a loaf pan.

Fill with half of the dough, place the banana halves on the dough, and sprinkle half of the almonds on top.

Fill with the other half of the dough, smooth, and sprinkle the rest of the almonds on top.

Bake for about 50 minutes.

Remove the cake from the pan and dust with confectioner’s sugar.