Bright Whole-Lemon Blender Cake with Lemon Glaze

This whole-lemon blender cake is the brightest way to use an entire lemon — peel, pith, and all. The blender does all the work, turning a whole washed lemon, eggs, oil, milk, and sugar into a silky batter in just two minutes.

The result is a tender, impossibly moist loaf with a bright citrus flavor and a delicate crumb. A simple glaze of confectioners' sugar and fresh lemon juice soaks into the warm crust, creating a glossy finish that makes every slice irresistible.

This cake is a celebration of the whole lemon. Instead of juicing and zesting, you simply wash the lemon, cut it into wedges, and drop it into the blender with the other wet ingredients. The high-speed blending emulsifies the lemon, eggs, oil, and milk into a smooth, fragrant mixture that bakes up into a supremely moist loaf.

The glaze, poured over the hot cake, seeps into the crust, adding a tangy sweetness that balances the cake's natural richness. It's an easy dessert that looks and tastes like you spent hours in the kitchen.

Ingredients

Why this recipe works

Blending the whole lemon is the key to this cake's bright, intense flavor. The entire fruit — zest, pith, and flesh — is pureed into the batter, releasing essential oils and natural pectin that add moisture and a gentle bitterness that complements the sweetness.

The blender also emulsifies the oil and eggs, creating a stable batter that bakes into a fine, tender crumb.

The high ratio of liquid to flour, along with the oil, ensures the cake stays moist for days. Unlike butter-based cakes that can dry out, oil keeps the crumb soft and supple.

The glaze, poured over the hot cake, acts as a syrup, soaking into the surface and creating a thin, crackly top that contrasts beautifully with the tender interior.

Notes and substitutions

Use a large, unwaxed lemon for this recipe. Wash it thoroughly to remove any residue. The lemon should be about the size of a tennis ball; if it's smaller, the flavor will be milder. For a more intense lemon flavor, you can add a teaspoon of lemon zest to the glaze.

The batter is thin, so don't be alarmed. It should pour easily into the pan. Use a 9x5-inch loaf pan for the best shape. If you only have an 8x4-inch pan, the cake will be taller and may need a few extra minutes of baking. Check for doneness with a toothpick.

• vegetable oil: canola oil or another neutral oil, such as sunflower or grapeseed oil
• milk: whole milk or buttermilk; for a dairy-free version use unsweetened almond milk or oat milk
• all-purpose flour: gluten-free all-purpose flour blend that measures like regular flour
• granulated sugar: organic cane sugar or caster sugar for a finer texture

Equipment

• Blender
• 9x5-inch loaf pan
• Mixing bowl
• Whisk
• Measuring cups and spoons
• Cooling rack
• Serrated knife