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Irresistible Coffee Walnut Delight: Ultimate Guide & Pro Tips


  • Author: Velma
  • Total Time: PT50M
  • Yield: 1012 slices 1x
  • Diet: Vegetarian

Description

This Coffee Walnut Delight is a rich and aromatic dessert that perfectly balances bold coffee flavor with the nutty crunch of toasted walnuts. Moist, flavorful, and topped with a smooth coffee-infused frosting, it’s an elegant treat for coffee lovers.


Ingredients

Scale

For the Cake

  • 225 g unsalted butter, room temp (1 cup)
  • 180 g caster/granulated sugar (⅞ cup)
  • 40 g light brown sugar, packed (3 tbsp)
  • 4 large eggs, room temp
  • 60 ml strong coffee concentrate (or 23 tsp instant espresso powder dissolved in 60 ml just-boiled water), cooled (¼ cup)
  • 1 tsp vanilla extract
  • 260 g all-purpose flour (2 cups, spooned & leveled)
  • 10 g baking powder (2 tsp)
  • ¼ tsp baking soda (optional; use if your coffee is acidic)
  • ½ tsp fine sea salt
  • 120 ml milk, room temp (½ cup)
  • 120 g walnuts, toasted & cooled (about 1 cup)
    • 70 g very finely chopped (for tender crumb)
    • 50 g coarsely chopped (for texture)

Optional Coffee Syrup (for brushing layers)

  • 100 g sugar (½ cup)
  • 120 ml just-boiled water (½ cup)
  • 12 tsp instant espresso powder, to taste

Instructions

  1. Preheat oven to 350°F (175°C). Grease and line an 8-inch round or square baking pan.
  2. Mix dry ingredients – Whisk together flour, baking powder, baking soda, and salt.
  3. Cream butter & sugar – Beat butter, brown sugar, and granulated sugar until light and fluffy. Add eggs one at a time, followed by vanilla.
  4. Add coffee & sour cream – Stir instant coffee into brewed coffee. Alternate adding dry ingredients and coffee mixture to the butter mixture, beginning and ending with dry. Fold in sour cream and chopped walnuts.
  5. Bake – Pour batter into prepared pan and bake 30–35 minutes, or until a toothpick comes out clean. Cool completely.
  6. Make frosting – Beat butter until creamy. Add powdered sugar gradually, then mix in coffee and vanilla until smooth.
  7. Frost & garnish – Spread frosting over the cooled cake and sprinkle with chopped walnuts.
  • Prep Time: PT20M
  • Cook Time: PT30M
  • Category: Dessert
  • Method: baking
  • Cuisine: European

Nutrition

  • Serving Size: 1 slice
  • Calories: 410
  • Sugar: 30g
  • Sodium: 220mg
  • Fat: 21g
  • Saturated Fat: 10 g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 48g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 85 mg