Coffee and walnut bundt cake

This is a wonderful cake recipe.....I don't know from where I learned it , but it was there in my recipe book....I took it for a get together and everyone there liked it...Do give it a try ....All you need isAll purpose flour-2 cupsButter-200 gmEggs-4Sugar-1 cupBaking powder-1 tspWalnuts-1\2 cupInstant coffee powder-21\2 tbspVanilla extract-1 tspA pinch of saltMethod of preparationPre heat the ove