Mini Coffee and Walnut Cakes

BY:

CHLOE

November 19, 2025

Small Coffee-Flavored Cakes with Walnut Crunch

Mini Coffee and Walnut Cakes are the perfect combination of rich coffee flavor, soft sponge texture and the warm crunch of walnuts, all bundled into individual portion-sized cakes. These mini cakes offer a charming café-style presentation and are ideal for afternoon tea, special gatherings, gifting or when you want a small dessert with big flavor. They’re simple to bake, easy to frost and beautiful to display.

Prep Time: 15 minutes
Cook Time: 18–22 minutes
Total Time: ~40 minutes

Small layered coffee cakes topped with chopped walnuts and creamy coffee frosting.
Mini coffee and walnut cakes topped with creamy frosting.

Ingredients

For the Cakes:
1 cup all-purpose flour
½ cup granulated sugar
1 teaspoon baking powder
¼ teaspoon baking soda
¼ teaspoon salt
1 large egg
¼ cup unsalted butter, melted
⅓ cup milk
2 tablespoons strong brewed coffee, cooled
1 teaspoon vanilla extract
½ cup chopped walnuts

For the Coffee Buttercream:
½ cup unsalted butter, softened
1 cup powdered sugar
1 tablespoon strong brewed coffee, cooled
½ teaspoon vanilla extract

For Topping:
Chopped walnuts
Optional small coffee beans (chocolate-coated or decorative)

Instructions

Preheat oven to 350°F. Prepare a mini cake pan, mini ramekins or a cupcake-style tin with liners.
In a bowl whisk flour, sugar, baking powder, baking soda and salt.
In a separate bowl whisk egg, melted butter, milk, brewed coffee and vanilla until smooth.
Combine wet and dry ingredients, stirring just until incorporated. Fold in chopped walnuts.
Pour batter into molds, filling each cavity about two-thirds full.
Bake 18–22 minutes or until the centers spring back when lightly pressed. Cool completely on a wire rack.
For the frosting, beat softened butter until creamy. Add powdered sugar gradually, then mix in coffee and vanilla until smooth and spreadable.
Slice each mini cake horizontally for layers or frost the tops whole. Decorate with walnuts. Serve fresh.

Close-up of a mini coffee and walnut cake showing the soft sponge and smooth frosting.
Soft coffee sponge cakes with walnut crunch.

Pro Tips (FAQ-Style)

Can I make these without walnuts?
Yes—omit walnuts or replace them with pecans, almonds or chocolate chips for variation.

How do I make the coffee flavor stronger?
Use espresso powder dissolved into the batter or add an extra tablespoon of strong brewed coffee to the buttercream.

Can these be made ahead?
Yes—bake the cakes a day ahead and store covered. Frost before serving for best texture and freshness.

A group of mini coffee cakes arranged on a platter with walnut topping.
Individual coffee cakes perfect for small gatherings.

Nutrition Summary

Small layered coffee and walnut cakes with creamy frosting.

Serving SizeCaloriesProteinCarbsFatFiberSugar
1 mini cake~260 kcal~3 g~30 g~14 g~1 g~20 g

Nutrition facts are estimated.

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