Soak dates about 1 cop of hot water for 15 minutes or until soft.
Blend in to a smooth paste. Set aside to cool down completely.
Beat together coconut oil and sugar till light and fluffy. Add the eggs and beat till creamy.
Add in the dates paste and mix well.
Sift together baking powder, baking soda with whole wheat flour.
Add this flour to the dates batter little by little. Gently fold in with a spatula.
Mix in the vanilla essence and chopped walnuts. Transfer the batter to a greased cake pan.
Bake in a preheated oven of 350 F (180 C) for about 40 to 50 minutes till a toothpick inserted comes out clean.