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Mint Chocolate Cake — The Celebration That Finally Gets to Stay

Last week of kindergarten. The countdown to summer. Mrs. Rodriguez sent home a packet of Caleb's work from the year — drawings, worksheets, writing samples. I sat at the kitchen table and went through it like an archaeologist excavating a civilization. September: potato-level drawings, his name written in wobbly capitals. December: recognizable animals, sentences with periods. March: full paragraphs about dinosaurs (obviously), spelling mostly correct, handwriting that looks like mine. A year of growth on paper. The boy who walked in without looking back in September is walking out in June knowing how to read, write, add, and tell you everything about marine biology. Mrs. Rodriguez wrote a final note: 'Caleb is one of the most engaged, curious, and kind students I have ever taught. He will thrive wherever he goes, but I hope he stays.' I hope he stays. She wrote that. A teacher hoping a military kid stays. Because she knows we might not. Because she's watched enough military kids arrive and leave. We're staying. Please, God. We're staying. Caleb's end-of-year party is Friday. I signed up to bring cookies. Mom's browned-butter chocolate chips. The party cookies. The celebration cookies. Made Mom's BBQ pulled pork tonight. The summer-start food. Low and slow, the way good things are built. The crockpot runs eight hours. The house smells like smoke and vinegar and home. Kindergarten. Complete. One down. Twelve to go.

I signed up to bring cookies to the party, and I will — Mom’s browned-butter chocolate chips are already on the list. But after reading Mrs. Rodriguez’s note, after sitting at that kitchen table with a year’s worth of Caleb’s drawings in my lap and the crockpot running and the whole house smelling like home, I decided we also needed something bigger. Something for us, just the family, to mark the moment. We’re staying — and that deserves a layer cake. This Mint Chocolate Cake is the one I make when something is truly worth celebrating, and kindergarten complete, one down, twelve to go, is absolutely worth it.

Mint Chocolate Cake

Prep Time: 25 min | Cook Time: 35 min | Total Time: 1 hr | Servings: 12

Ingredients

  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 2 tsp baking soda
  • 1 tsp baking powder
  • 1 tsp fine salt
  • 2 large eggs, room temperature
  • 1 cup buttermilk
  • 1 cup strong brewed coffee, cooled
  • 1/2 cup neutral oil (canola or vegetable)
  • 1 tsp pure vanilla extract
  • Mint Buttercream:
  • 1 cup (2 sticks) unsalted butter, softened
  • 3 1/2 cups powdered sugar, sifted
  • 3–4 tbsp heavy cream
  • 1 1/2 tsp pure peppermint extract
  • 2–3 drops green food coloring (optional)
  • Chocolate Ganache:
  • 6 oz semi-sweet chocolate chips
  • 1/2 cup heavy cream

Instructions

  1. Prep your pans. Preheat oven to 350°F. Grease two 9-inch round cake pans, line the bottoms with parchment paper, and grease the parchment.
  2. Mix the dry ingredients. In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt until fully combined.
  3. Combine the wet ingredients. In a separate bowl, whisk together the eggs, buttermilk, cooled coffee, oil, and vanilla until smooth.
  4. Make the batter. Pour the wet ingredients into the dry ingredients and stir until just combined — the batter will be thin. Divide evenly between the two prepared pans.
  5. Bake. Bake for 30–35 minutes, until a toothpick inserted in the center comes out with just a few moist crumbs. Cool in pans for 10 minutes, then turn out onto a wire rack to cool completely before frosting.
  6. Make the mint buttercream. Beat the softened butter on medium-high speed for 2 minutes until fluffy. Add powdered sugar one cup at a time, mixing on low. Add peppermint extract, 3 tbsp heavy cream, and food coloring if using. Beat on high for 2 minutes until light and spreadable. Add the extra tbsp of cream if needed.
  7. Make the ganache. Heat heavy cream in a small saucepan over medium heat until just simmering. Pour over chocolate chips in a heatproof bowl, let sit 2 minutes, then stir until smooth. Let cool 10–15 minutes until slightly thickened but still pourable.
  8. Assemble. Place one cake layer on a plate or cake stand. Spread a generous layer of mint buttercream on top. Place the second layer and frost the top and sides with remaining buttercream. Pour ganache over the top, nudging it to drip over the edges. Slice and serve.

Nutrition (per serving)

Calories: 580 | Protein: 5g | Fat: 28g | Carbs: 82g | Fiber: 3g | Sodium: 340mg

Rachel Abernathy
About the cook who shared this
Rachel Abernathy
Week 425 of Rachel’s 30-year story · San Diego, California
Rachel is a twenty-eight-year-old Marine wife and mom of two who has moved five times in six years and learned to cook a Thanksgiving dinner with half her cookware still in boxes. She married young, survived postpartum depression, and feeds her family of four on a junior Marine's salary with a freezer full of pre-made meals and a crockpot that has never let her down. She writes for the military spouses who are cooking dinner alone in base housing and wondering if they're enough. You are.

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