Vegan pancake recipe from an animal justice organisation

I found and modified this recipe from the Finnish animal justice organisation's Oikeutta eläimille discussion board:

Pancake for animal lovers when you forgot to buy vegan milk

- 5 dl of water
- 1/2 teaspoons of salt
- 1 table spoon of sugar
- 2 dl of flour
- 1/2 dl keiju or othet vegan butter
- one squashed banana

Mix water, flour, salt, sugar and melted butter (microwawe is fine). Pour the mix to the oven sheet. 25 minutes in 225 degrees. Served with maple syrup, blueberries and banana slices.