How to make
Turn on the oven and preheat it to 180°C.
Roast the walnuts lightly.
Beat the butter with the sugar and eggs, add the honey, flour, baking powder and chopped walnuts.
Finally, add the vanilla.
Pour the mixture into a baking pan, which you need to have previously greased.
Place it in the oven and bake the sponge cake for about 30-40 minutes.
The sponge cake with walnuts, honey and butter is ready.