Description
A moist, spiced oatmeal layer cake filled and frosted with fluffy marshmallow buttercream, inspired by the classic childhood snack.
Ingredients
2 cups all-purpose flour
1.5 cups quick-cooking oats
1 cup unsalted butter, softened
1 cup light brown sugar, packed
1/2 cup granulated sugar
3 large eggs, room temperature
1/4 cup molasses
1 teaspoon vanilla extract
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1 cup buttermilk
7 oz marshmallow fluff (for frosting)
1 cup butter (for frosting)
3 cups powdered sugar (for frosting)
Instructions
Step 1: Preheat oven to 350°F and prepare two round cake pans with parchment paper.
Step 2: Whisk flour, oats, cinnamon, nutmeg, baking powder, baking soda, and salt in a bowl.
Step 3: Cream 1 cup butter with brown and white sugars until light and fluffy.
Step 4: Mix in eggs, molasses, and vanilla.
Step 5: Alternately add dry ingredients and buttermilk to the butter mixture, beginning and ending with dry.
Step 6: Pour batter into pans and bake for 30 minutes or until a tester comes out clean.
Step 7: Whip frosting ingredients (butter, fluff, powdered sugar) until airy and smooth.
Step 8: Frost cooled cake layers generously and enjoy.
Notes
Ensure oats are quick-cooking variety for the softest texture. Pulse rolled oats in a food processor if quick oats are unavailable.
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 540 kcal
- Sugar: 45g
- Sodium: 310mg
- Fat: 28g
- Saturated Fat: 16g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 72g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 85mg
