Classic Walnut Coffee Cake with Buttercream Filling

This is a bit fancier version of our Very Fluffy Pecan & Vanilla Coffee Cake, made with walnuts instead of pecans and additional layer of delicious buttercream.

walnut coffee cake recipe


for the cake

  • 2½ cups plain flour
  • 125 g / half a bar butter (melted)
  • 1½ cups golden caster sugar
  • 3 large – 4 smaller eggs
  • 1 cup of milk
  • 1 tbs baking powder
  • 150 g walnuts (chopped)

for the buttercream filling

  • 125 g / half a bar butter (softened)
  • ½ cups icing sugar
  • instant coffee (about ½ tsp) dissolved in very little (1 tsp) of hot water or some other flavoring that will go well with walnuts, for instance: vanilla extract or rum extract

classic coffee walnut cake


  • mixer
  • silicone pastry brush
  • 1 round spring tin with removable base (lined with baking paper)
  • wooden skewer
  • microwavable jug or small pot
  • sharp knife or strong thread to slice the cake in half


  1. Place butter bar in a jug and microwave for about 50 seconds, until completely melted. Alternatively melt it in the pot over low fire.
  2. With a pastry brush grease baking tray, using a bit of melted butter, leave aside.
  3. In a mixer bowl combine all dry ingredients: flour, vanilla seeds, sugar and baking powder.
  4. Add also milk and eggs and turn the mixer on.
  5. Gradually pour in melted butter and mix a while longer.
  6. Stir in walnuts and transfer batter to the baking tin.
  7. Bake in the the oven preheated to 180°C  (356°F) for about an hour.
  8. Let the cake to cool down before cutting it into two layers.
  9. In meantime prepare the buttercream by whisking all of the ingredients together.
  10. Once the cake is cooled down, spread buttercream on the bottom layer and put back the top layer.
  11. Place in a fridge for at least 30 minutes before sharing.

Makes about 12 – 16 servings.


This cake taste great with some espresso (aka mini coffee according to my 5 year old) on a side.

If you are looking for more yummy cake ideas, check out Jo’s Farmhouse Fruit Cake, Jeanne’s Gingerbread Spice Persimmon Cake or Binut’s Marmalade Coconut Semolina Cake.

For more walnut recipes, take a look at Cheddar and Walnut MuffinsWalnut Keks – Traditional Polish Tea Cake, Celeriac with Beets, Raisins and Walnuts aka Pink Waldorf SaladDecadent Red Velvet Brownies with WalnutsCoconut Banana Cake with Walnuts & Orange Juice or Grandma Nina’s Pischinger – Traditional Polish Wafer Dessert.

Your thoughts…

  1. I love walnut and coffee cake. It’s really comforting on a cold day :)

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