Classic Vanilla Cupcakes Topped with Decadent Chocolate Frosting

Vanilla cake with chocolate frosting is a timeless pairing, and this simple recipe for Classic Vanilla Cupcakes yields cupcakes that are soft, moist, fluffy and full of flavor. The batter is straightforward to make and the frosting is an intensely chocolatey buttercream that resembles whipped ganache — rich but not overly sweet. The recipe produces a dozen cupcakes, a handy small batch that’s easy to double for larger gatherings.

Why this recipe works

• Super moist cupcakes — these cupcakes stay moist for days thanks to the balance of liquid ingredients.
• Soft, fluffy crumb — the texture is light and tender, yet substantial enough to hold frosting without collapsing.
• Butter and oil — butter brings flavor while a small amount of oil keeps the crumb soft at room temperature.
• Rich chocolate buttercream — this frosting is deeply chocolatey and not too sweet; it has a whipped ganache-like texture but is made with a buttercream method.
• Small batch — makes 12 cupcakes, perfect for enjoying fresh the day you bake; easy to double for a crowd.

Ingredients: notes and tips

Below are ingredient notes to help you get the best results. For the full ingredient list, see the recipe card further down.

• All-purpose flour — No cake flour required. Measure accurately: use a kitchen scale if possible, or spoon and level the flour in the measuring cup to avoid a dry, dense cupcake.
• Granulated sugar — Fine granulated (or caster) sugar produces a cleaner flavor and a finer crumb.
• Pure vanilla extract — Good vanilla matters here because it’s the main flavor. Use a quality pure vanilla extract for the best taste.
• Unsalted butter — Butter adds flavor. Use fully softened (not melted) unsalted butter for the batter and the frosting.
• Oil — A neutral oil (sunflower, canola, or safflower) keeps the cupcakes softer at room temperature; only a small amount is needed.
• Egg — One large egg provides structure and lift.
• Milk — Use whole or 2% milk, slightly warmed to help the batter emulsify and the sugar dissolve.
• Sour cream — Full-fat sour cream contributes tenderness and flavor. If unavailable, full-fat Greek yogurt is a suitable substitute.

Step-by-step instructions

• Step 1: Combine dry ingredients. Sift or whisk together the flour, baking powder, baking soda and salt until evenly blended.
• Step 2: Cream butter and sugar. Beat softened butter and sugar on medium-high speed for about 2 minutes until pale and fluffy.
• Step 3: Add the egg and wet ingredients. Mix in the egg until incorporated, then add the oil, vanilla and sour cream.
• Step 4: Alternate dry ingredients and milk. Add a third of the flour mixture, mix on medium-low, then add half the warm milk. Continue alternating (flour, milk, flour) and finish mixing on low until just combined. Briefly increase speed for 5–10 seconds to emulsify the batter, taking care not to over-mix.
• Step 5: Bake. Fill paper-lined muffin cups about two-thirds full. Tap the pan to release large bubbles. Bake at 350°F (175°C) for 17–20 minutes, until lightly golden and a toothpick comes out clean. Cool on a wire rack.
• Step 6: Frost. Prepare the chocolate buttercream as directed in the recipe card and spread or pipe over cooled cupcakes. Decorate with sprinkles if desired.

Expert baking tips

• Use very soft (not melted) butter. Leave butter at room temperature until soft enough to cream with sugar.
• Alternate wet and dry additions. This prevents over-mixing and helps the batter come together smoothly.
• Mix enough, but not too much. Combine ingredients until just mixed, then briefly whip to emulsify—this helps give a tender, even crumb.
• Room-temperature eggs. Use room-temperature eggs for better volume and even mixing.
• Warm the milk slightly. Warm milk helps dissolve sugar and promotes a uniform batter.
• Avoid over-baking. Cupcakes are done when they spring back lightly and a skewer comes out clean; they won’t brown deeply.
• Cool melted chocolate for frosting. If making a chocolate-based buttercream, allow melted chocolate to cool before adding to butter so the frosting doesn’t split.
• Use room-temperature cream when making buttercream. Cold cream can prevent proper emulsification and make frosting firm or grainy.
• Choose chocolate wisely. Chocolate with 55–70% cocoa yields a richer, firmer frosting; semi-sweet will be slightly softer and sweeter.

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