Moist Lemon Blender Cake with Sunshine Glaze

This lemon cake is a revelation: a whole lemon, peel and all, goes into the blender with the wet ingredients, and the result is an incredibly moist, fragrant crumb.

The bright citrus flavor is balanced by a sweet, glossy glaze that sets into beautiful zigzags. It's a simple, one-bowl recipe that feels special enough for a celebration but easy enough for any day of the week.

Blending a whole lemon into the batter might sound unconventional, but it's the secret to this cake's intense, natural lemon flavor and ultra-moist texture.

The lemon's oils and pectin help tenderize the crumb, while the juice keeps it wonderfully soft. With just a handful of pantry staples and a blender, you can have a showstopping dessert ready in under an hour.

Ingredients

Why this recipe works

Blending the whole lemon emulsifies the fruit's natural oils and juices into the batter, creating a uniform, intensely fragrant base.

This method infuses every bite with lemon flavor, unlike recipes that only use zest or juice. The lemon's pectin also contributes to the cake's tender, moist structure.

The combination of milk and vegetable oil ensures a rich, tender crumb that stays moist for days. The oil adds moisture without the heaviness of butter, while the milk provides structure.

The glaze, made with confectioners' sugar and fresh lemon juice, sets into a crackly, sweet-tart topping that contrasts beautifully with the soft cake.

Notes and substitutions

Choose a well-washed organic lemon if possible, as the peel is blended into the batter. If using a conventional lemon, scrub it thoroughly to remove any wax or residue. The lemon should be firm and heavy for its size, with bright, fragrant skin.

All-purpose flour gives the cake structure; do not substitute cake flour or self-rising flour without adjusting the leavening. Baking powder ensures a light rise, and vanilla sugar adds a subtle warmth. For the glaze, use fresh lemon juice—bottled juice lacks the bright, clean flavor that makes this cake shine.

• whole milk: any milk or non-dairy milk (such as almond or oat milk) can be used; the cake may be slightly less rich.
• vegetable oil: canola oil, sunflower oil, or melted coconut oil all work in this recipe.
• vanilla sugar: 1 teaspoon vanilla extract mixed with 1 teaspoon granulated sugar can replace the vanilla sugar.
• fresh lemon juice: bottled lemon juice can be used in the glaze, but fresh juice gives the best flavor.

Equipment

• Blender
• Mixing bowls
• Whisk
• 9-inch round cake pan
• Parchment paper
• Wire rack
• Piping bag or zip-top bag
• Measuring cups and spoons