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Oatmeal Cream Pie Cake Recipe

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★★★★★

4.5 from 113 reviews

This Oatmeal Cream Pie Cake features moist layers of spiced oatmeal cake filled and frosted with rich vanilla buttercream. Finished with a smooth white chocolate glaze and decorated with crumbled oatmeal cream pie cookies, this cake blends cozy flavors and textures for a delightful dessert perfect for any occasion.

Ingredients

Scale

Oatmeal Cake

  • 2 1/2 cups (575 g) water
  • 2 cups (180 g) quick cook oats, uncooked
  • 2 2/3 cups (226 g) all purpose flour
  • 1 tbsp + 1 tsp ground cinnamon
  • 1 teaspoon fine sea salt
  • 1/2 tsp nutmeg
  • 2 teaspoon baking soda
  • 1 cup (226 g) unsalted butter, room temperature
  • 1 cup (200 g) granulated sugar
  • 1 cup (200 g) light brown sugar, packed
  • 1 tbsp vanilla extract
  • 3 large eggs (150 g), room temperature
  • 1/4 cup (65 g) full-fat sour cream, room temperature

Vanilla Frosting

  • 2 1/2 cups (565 g) unsalted butter, room temperature
  • 4 cups (450 g) powdered sugar
  • 2 tbsp heavy cream
  • 2 tsp vanilla extract
  • 1 tsp vanilla bean paste

Glaze

  • 1 cup (165 g) white chocolate chips
  • 1/4 cup + 3 tbsp (85 g) heavy cream
  • White food coloring (optional, for a whiter glaze)

Decoration

  • Oatmeal cream pie cookies, for decorating

Instructions

  1. Prep Cake Pans and Oven: Preheat the oven to 350°F (180°C). Line three 8-inch cake pans with parchment paper on the bottoms and set aside.
  2. Cook Oats: Bring 2 1/2 cups water to a boil in a pot. Stir in the oats, then remove from heat and cover for 20 minutes. Allow the oats to cool to room temperature before using.
  3. Mix Dry Ingredients: Whisk together the flour, baking soda, salt, cinnamon, and nutmeg in a bowl and set aside.
  4. Beat Butter and Sugars: In a stand mixer, beat the unsalted butter, granulated sugar, and light brown sugar on medium speed for 5 minutes until light and fluffy. Add vanilla extract, eggs, and sour cream, mixing until fully combined. Scrape sides of the bowl as needed.
  5. Add Oats and Flour: Mix in the cooled cooked oats until just combined. Fold in the flour mixture gently, mixing until just combined to form a very thick batter.
  6. Bake Cake Layers: Divide the batter evenly among the three prepared pans (about 600 g each). Bake for 20–22 minutes or until a toothpick inserted comes out with a few moist crumbs. Cool in pans on wire racks, then run a spatula around edges and invert to remove cakes.
  7. Make Buttercream Frosting: Beat butter in a stand mixer on medium speed until light and fluffy. Gradually add powdered sugar on low speed until combined, then increase speed to medium and beat 3–5 minutes until light and fluffy. Mix in heavy cream, vanilla extract, and vanilla bean paste.
  8. Assemble Cake: Place the first oatmeal cake layer on a cake stand. Spread 1 cup of vanilla frosting evenly on top. Repeat layers, alternating cake and frosting. Place the final cake layer upside down on top for a flat finish. Cover sides and top of the cake with a thin, even layer of frosting.
  9. Prepare Glaze: Heat heavy cream until warm (on stove or microwave). Pour over white chocolate chips and stir until smooth. Add white food coloring if desired for a whiter glaze. Let cool slightly to prevent melting the frosting.
  10. Glaze the Cake: Place cake on a wire rack with a pan underneath. Pour glaze in the center and spread to edges, allowing it to drip down the sides. Let glaze set completely.
  11. Decorate: Sprinkle crumbled oatmeal cream pie cookies and pieces on top of the glazed cake for decoration.

Notes

  • Use quick cook oats for the best texture in the cake layers.
  • Room temperature ingredients help ensure an even batter and smooth frosting.
  • Measuring flour by weight (226 g) is recommended for accuracy.
  • The glaze should be cool enough before pouring to avoid melting the frosting underneath.
  • Optional white food coloring in the glaze brightens the white chocolate for a more polished look.

Keywords: Oatmeal Cream Pie Cake,Oatmeal Cake,Vanilla Buttercream,White Chocolate Glaze,Layer Cake,Oatmeal Dessert

Find it online: https://servedbynora.com/oatmeal-cream-pie-cake-recipe/