Easy One-Bowl Chocolate Mocha Cake (9×9″)

Single Layer Chocolate Mocha Cake
Single Layer Chocolate Mocha Cake

Some days call for a tall, layered showstopper of cake – but most days, I just want something simple, quick, and very chocolately. That’s where this little 9×9″ chocolate cake comes in. It’s a one bowl wonder, baked in a square pan, easy to slice into tidy pieces, and just the right size for a casual dessert or small gathering.

The beauty of this cake is in its simplicity. It’s the kind of recipe that doesn’t ask much of you – just one bowl, a few pantry staples, and a little stir with a whisk. Yet somehow, out of that ease, comes something deeply comforting. The chocolate and coffee mingle together for a flavor that feels r ich but familiar, like the warmth of a favorite mug on a chilly morning. It bakes up tender and moist, with a soft crumb that practically melts on your fork. Nothing fussy, nothing complicated – just a cake that feels homemade in the best possible way.

Ingredients to have on hand:

  • All-purpose flour
  • Cacao or unsweetened coco powder
  • Granulated sugar
  • Brown sugar
  • Baking soda
  • Baking powder
  • Salt
  • Eggs
  • Butter
  • Buttermilk
  • Strong brewed coffee
  • Vanilla extract
  • Confectioners sugar

If you love chocolate as much as I do, try some more of my favorites.

Extra Moist Chocolate Cake

extra moist chocolate cake

Chocolate Fudge Cake

Chocolate Fudge Cake

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Single layer Chocolate Mocha Cake

Single Layer Chocolate Mocha Cake

Ingredients

  • 1 cup all-purpose flour
  • 2/3 cup granulated sugar
  • 1/4 cup brown sugar
  • 1/2 cup cacao or unsweetened cocoa powder
  • 1 tsp baking soda
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1 egg
  • 1/2 cup melted butter (1 stick)
  • 1/2 cup buttermilk
  • 1/2 cup strongly brewed (decaf or regular) coffee
  • 1 tsp vanilla

  • Mocha Frosting: 1/2 cup (1 stick) butter, softened, 2 cups confectioners sugar, 1/4 cup unsweetened cocoa powder, 2 tbsp brewed coffee, 1 tsp vanilla extract

Instructions

  • Preheat the oven to 350 degrees F. Lightly grease or line a 9x9-inch baking pan with parchment paper.
  • Mix the dry ingredients. In a large bowl whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt until well combined.
  • Add the wet ingredients. Crack in the egg, pour in the melted butter, milk, coffee, and vanilla. Whisk everything together until the batter is smooth and glossy. It will a little thin - that's perfect)
  • Bake. Pour the batter into the prepared pan and spread evenly. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
  • Frosting: In a medium bowl, beat the softened butter until creamy and smooth.
  • Sift in the powdered sugar and cocoa powder to avoid lumps.
  • Spread generously over the cooled cake, swirling for a cozy look.
Picture of - Leslie

- Leslie

Welcome to Lemon Grove Lane, where I share seasonal recipes and heartfelt home inspiration, all curated to nurture the art of a well-lived life.

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