Coffee Walnut Loaf Cake is a classic British-inspired bake that pairs the bold richness of coffee with the nutty crunch of walnuts, all wrapped in a soft, buttery crumb. This loaf is perfect for coffee lovers and makes a delightful treat for afternoon tea, brunch, or a cozy morning pick-me-up. It’s easy to make, satisfying, and full of flavor in every slice.
Why You’ll Love This Recipe
- Rich, bold coffee flavor balanced with the nuttiness of toasted walnuts
- Simple loaf format—no layers or fuss
- Keeps well and tastes even better the next day
- Great for breakfast, snacks, or entertaining
- Pairs perfectly with a hot cup of coffee or tea
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Unsalted butter, softened
- Light brown sugar
- Eggs
- Instant espresso or strong brewed coffee
- All-purpose flour
- Baking powder
- Salt
- Chopped walnuts (plus extra for topping)
- Milk (if needed, to loosen batter)
Optional Coffee Icing:
- Powdered sugar
- Instant coffee dissolved in water
- Milk (to adjust consistency)
Directions
- Preheat oven to 350°F (175°C). Grease and line a 9×5-inch loaf pan.
- In a large bowl, cream together softened butter and brown sugar until light and fluffy.
- Beat in eggs, one at a time, then mix in the coffee or espresso.
- In a separate bowl, whisk together flour, baking powder, and salt.
- Add dry ingredients to the wet mixture, folding gently until just combined.
- Stir in chopped walnuts. If the batter is too thick, add a tablespoon or two of milk.
- Pour batter into the prepared pan and smooth the top. Sprinkle with extra walnuts.
- Bake for 45–55 minutes, or until a toothpick inserted in the center comes out clean.
- Cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
- Optional: Drizzle with coffee icing once fully cooled.
Servings and Timing
- Servings: 8–10 slices
- Prep Time: 15 minutes
- Bake Time: 50 minutes
- Total Time: 1 hour 5 minutes
Variations
- Add a touch of cinnamon for extra warmth
- Use pecans or hazelnuts instead of walnuts
- Swap brown sugar for maple syrup for a deeper sweetness
- Make it dairy-free by using plant-based butter and milk
Storage/Reheating
- Refrigeration: Store in an airtight container at room temperature for 2–3 days, or refrigerate for up to 5 days
- Freezing: Wrap tightly in plastic and foil; freeze for up to 1 month
- Reheating: Warm slices briefly in the microwave or toaster oven
FAQs
Can I use brewed coffee instead of instant?
Yes, just make sure it’s strong and cooled before mixing it in.
What type of walnuts should I use?
Raw or lightly toasted walnuts both work well—chop them coarsely.
Can I make this cake gluten-free?
Yes, substitute with a 1:1 gluten-free flour blend.
Do I have to include the icing?
No, it’s optional—but adds a sweet and bold coffee kick.
Why is my cake dry?
Be careful not to overbake; check for doneness at the 45-minute mark.
Can I use a different pan?
Yes, use a round or square pan but adjust baking time accordingly.
Can I add chocolate chips?
Absolutely—coffee and chocolate pair beautifully together.
How do I keep the walnuts from sinking?
Toss them lightly in flour before folding into the batter.
Can I double the recipe?
Yes, bake in two pans or a large bundt pan—adjust time accordingly.
Is this cake suitable for freezing?
Yes, freeze whole or sliced for quick future treats.
Conclusion
Coffee Walnut Loaf Cake is a timeless, satisfying bake that combines the robust flavor of coffee with the crunch of walnuts in a moist, tender loaf. Whether you serve it plain or drizzle it with coffee icing, it’s a guaranteed favorite for cozy mornings or afternoon indulgences. Keep a slice handy—you’ll want one with your next cup.
Print
Coffee Walnut Loaf Cake
- Prep Time: 20 minutes
- Cook Time: 50 minutes
- Total Time: 1 hour 10 minutes
- Yield: 10 slices 1x
- Category: Dessert
- Method: Baking
- Cuisine: British
- Diet: Vegetarian
Description
Coffee Walnut Loaf Cake is a moist and flavorful tea-time treat made with rich coffee and crunchy walnuts, topped with a smooth coffee icing for the perfect balance of bitter and sweet.
Ingredients
- 1/2 cup unsalted butter, softened
- 3/4 cup light brown sugar
- 2 large eggs
- 1 tablespoon instant coffee granules dissolved in 1 tablespoon hot water
- 1 teaspoon vanilla extract
- 1 cup all-purpose flour
- 1 teaspoon baking powder
- 1/4 teaspoon salt
- 1/4 cup whole milk
- 1/2 cup chopped walnuts
- For the Icing:
- 3/4 cup powdered sugar
- 1 tablespoon butter, softened
- 1 tablespoon instant coffee dissolved in 1 tablespoon hot water
Instructions
- Preheat oven to 350°F (175°C). Grease and line a 9×5-inch loaf pan.
- Cream butter and brown sugar together until light and fluffy. Beat in eggs one at a time.
- Stir in dissolved coffee and vanilla extract.
- In a separate bowl, whisk flour, baking powder, and salt. Gradually add dry ingredients to the wet mixture, alternating with milk.
- Fold in chopped walnuts, then pour the batter into the prepared loaf pan.
- Bake for 45–50 minutes, or until a toothpick inserted into the center comes out clean. Cool in pan for 10 minutes, then transfer to a wire rack.
- To make the icing, beat powdered sugar, butter, and coffee mixture until smooth.
- Spread icing over cooled loaf cake and let set before slicing.
Notes
- Use high-quality instant coffee or espresso powder for a richer flavor.
- Toasting the walnuts before adding enhances their flavor.
- Cake keeps well for up to 4 days in an airtight container.
- Double the icing recipe for an extra indulgent topping.
Nutrition
- Serving Size: 1 slice
- Calories: 280
- Sugar: 20g
- Sodium: 160mg
- Fat: 15g
- Saturated Fat: 7g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 55mg