Personalised Vanilla Buttercream Celebration Cake

By AislePrompt Editorial · Published 2026-06-21 · Updated 2026-06-21

A light vanilla sponge layered with smooth buttercream, perfect for customising with your own message and decorations. This British-inspired recipe, ready in about 50 minutes, layers all-purpose flour, baking powder, unsalted butter into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 450 calories and feeds 8, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 200 g all-purpose flour
• 2 tsp baking powder
• 150 g, softened unsalted butter
• 200 g caster sugar
• 3 large eggs
• 1 tbsp vanilla extract
• 100 ml whole milk
• 300 g powdered sugar
• 150 g, softened unsalted butter for buttercream
• 1 tsp vanilla extract for buttercream

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Instructions

1. Step 1: Preheat the oven to 350°F (175°C) and grease and line two 8-inch round cake pans with parchment paper.
2. Step 2: In a medium bowl, sift together 200 g all-purpose flour and 2 tsp baking powder; set aside.
3. Step 3: In a large mixing bowl, beat 150 g softened unsalted butter with 200 g caster sugar using an electric mixer on medium speed until pale and fluffy, about 3 minutes.
4. Step 4: Add 3 large eggs one at a time, beating well after each addition, then mix in 1 tbsp vanilla extract.
5. Step 5: Alternately add the flour mixture and 100 ml whole milk to the butter mixture in three stages, beginning and ending with flour, mixing gently after each addition until just combined.
6. Step 6: Divide the batter evenly between the prepared pans and bake for 25-30 minutes until a toothpick inserted in the center comes out clean.
7. Step 7: Remove cakes from oven and cool in pans for 10 minutes before transferring to wire racks to cool completely.
8. Step 8: For the buttercream, beat 150 g softened unsalted butter until creamy, then gradually add 300 g powdered sugar and 1 tsp vanilla extract, beating until smooth and fluffy.
9. Step 9: Sandwich the two cooled cakes with a layer of buttercream and spread remaining buttercream evenly over the top and sides.
10. Step 10: Decorate the cake as desired and add your personalised message with piping or edible decorations.