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Romanian Walnut Buttercream Cake

Romanian Walnut Buttercream Cake

A tender walnut cake covered in cocoa buttercream and sprinkled with ground walnuts.
Prep Time 1 hour 20 minutes
Cook Time 35 minutes
Total Time 1 hour 55 minutes
Course Dessert
Cuisine American
Servings 12 slices
Calories 745 kcal

Equipment

  • 9-inch round cake pan
  • Electric mixer
  • Mixing bowls
  • Rubber spatula
  • Offset spatula

Ingredients
  

Main Ingredients

  • 3 ½ cup walnut halves about 12 ounces, finely chopped
  • 1 cup granulated sugar
  • 4 large eggs
  • ⅞ cup unsalted butter softened
  • 1 tsp vanilla extract
  • 1 ⅔ cup all purpose flour
  • 1 tsp baking powder
  • 1 pinch salt
  • 1 cup unsalted butter softened, for the buttercream
  • 2 ½ cup powdered sugar for the buttercream
  • 2 tbsp cocoa powder for the buttercream
  • 1 cup ground walnuts for topping

Instructions
 

Cooking

  • Prep the pan. Heat the oven to 350 degrees F and grease and flour a 9 inch round pan.
  • Make the batter. Beat the eggs and sugar until combined, then beat in the butter and vanilla until smooth.
  • Add dry and nuts. Mix in the flour, baking powder, and salt gradually, then fold in the chopped walnuts.
  • Bake. Spread in the pan and bake 30 to 35 minutes until a toothpick comes out clean.
  • Cool. Cool in the pan for 15 minutes, turn out, and cool completely, about 1 hour.
  • Frost. Beat the butter, powdered sugar, and cocoa until fluffy, spread over the cake, and top with ground walnuts.

Notes

Substitutions: Use pecans or hazelnuts in place of walnuts.
Tips: Chop the nuts finely and cool the cake fully before frosting.
Storage: Keep at room temperature up to 3 days or refrigerate for about a week.
Keyword Cocoa Powder, Powdered Sugar, romanian walnut buttercream cake, Unsalted Butter, Walnut Halves