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St. Patrick's Day Green Velvet Layer Cake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.3 from 13 reviews
  • Author: Sue
  • Prep Time: 30 minutes
  • Cook Time: 30 minutes
  • Total Time: 1 hour 45 minutes
  • Yield: 10 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

Celebrate St. Patrick's Day with this festive Green Velvet Layer Cake featuring a moist, tender crumb infused with subtle cocoa and vibrant green food coloring. The cake is crowned with an old-fashioned boiled frosting that is creamy, fluffy, and reminiscent of childhood treats. Perfect for easy assembly and classic holiday cheer, this recipe yields a stunning three-layer cake that will impress your guests and satisfy your sweet tooth.


Ingredients

Cake:

  • 2 1/2 cups all-purpose flour
  • 2 tablespoons unsweetened cocoa powder (not Dutch process)
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon fine salt
  • 1 1/4 cups buttermilk, well shaken
  • 1 tablespoon green liquid food coloring
  • 2 teaspoons pure vanilla extract
  • 2 cups granulated sugar
  • 1 cup (2 sticks) unsalted butter, at room temperature
  • 3 large eggs, lightly beaten

Frosting:

  • 1/2 cup all-purpose flour
  • 1 1/2 cups milk
  • 1 1/2 cups (3 sticks) unsalted butter, at room temperature
  • 1 1/2 cups granulated sugar
  • 4 teaspoons pure vanilla extract
  • Pinch fine salt
  • Green liquid or gel food coloring, optional
  • Green candies and sanding sugar for decorating, optional


Instructions

  1. Prepare cake pans and dry ingredients: Preheat your oven to 375°F. Butter three 8-inch round cake pans, line them with parchment paper, and butter the parchment. In a medium bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and salt. Set aside.
  2. Mix wet ingredients: In a spouted measuring cup, combine the buttermilk, green food coloring, and vanilla extract, whisking well. Set aside.
  3. Cream butter and sugar: Using a stand mixer or hand mixer on medium speed, beat the granulated sugar and butter until very light and fluffy, about 5 minutes, scraping the bowl sides as needed.
  4. Add eggs and combine batter: With the mixer running on low, slowly incorporate the beaten eggs. Alternate adding the flour mixture and buttermilk mixture in thirds and halves as follows: one-third flour, half buttermilk, half remaining flour, remaining buttermilk, then the rest of the flour. Scrape down the bowl and beat until well blended.
  5. Bake the cake layers: Divide the batter evenly among the prepared pans. Bake for 20–25 minutes or until a toothpick inserted in the center comes out clean and the cakes are slightly puffed. Let cool 15 minutes in the pans, then remove and cool completely on wire racks.
  6. Make the boiled frosting base: In a small saucepan, whisk the flour with about 1/2 cup of the milk until smooth, ensuring no lumps form. Gradually whisk in the remaining milk. Cook over medium heat, whisking continuously for about 5 minutes until thickened into a smooth paste. Transfer to a bowl, cover with plastic wrap pressed onto the surface, and refrigerate until cool, about 45 minutes.
  7. Prepare frosting: Beat butter and granulated sugar in a mixer on medium speed until fluffy, about 5 minutes. Add the cooled flour mixture a tablespoon at a time, beating until smooth. Switch to the whisk attachment; add vanilla, salt, and optional green food coloring. Whip on high speed until very light and fluffy, up to 10 minutes with a stand mixer or 12 minutes with a hand mixer.
  8. Assemble the cake: Place one cake layer on a serving plate and spread frosting evenly on top. Repeat with remaining layers. Frost the sides smoothly. Decorate with green candies and sanding sugar if desired for a festive look.
  9. Serve and enjoy: Serve the cake immediately or refrigerate until ready. Bring to room temperature before serving for best texture and flavor.

Notes

  • You can bake this recipe in two 9-inch cake pans or as 24 cupcakes instead of three 8-inch layers.
  • Use buttermilk at room temperature for best batter consistency.
  • If you prefer a different frosting color intensity, adjust the amount of green food coloring to your taste.
  • Greasing and lining cake pans properly ensures easy cake release and smooth cake edges.
  • Beat the frosting thoroughly to achieve the light, whipped cream-like texture.