Fill flour, baking powder, salt and agave syrup into a bowl and mix with a whisk.
Squeeze 2 lemons and add the juice of the lemons to the mixture. Then follow liquid – heat briefly in the microwave, if it is solid – coconut oil and water. Mix everything well.
Coat the loaf pan with coconut oil and pour the dough into the pan.
Bake the cake in the oven for about 20 to 30 minutes.