To begin, preheat your oven to a temperature of 385F.
Next, take a small bowl and place the butter inside. Melt the butter in the microwave using increments of 20 seconds.
Now, take a large bowl and add the wet ingredients to it. This includes the eggs, melted butter, chestnut spread, and milk. If desired, you can also add some sugar. Mix all these ingredients together until you get a smooth mixture.
Gradually add the flour and baking powder to the mixture. Keep mixing until you get a smooth consistency.
Take an oven mold and pour the batter into it. If necessary, you can grease the mold before pouring the batter.
Now, place the mold in the oven and bake for around 30 minutes. To check if the cake is done, insert a knife in the middle of the cake. If the tip of the knife comes out dry, the cake is ready.