Moist Whole Lemon Loaf Cake with Tangy Glaze Tips, FAQ & printable recipe

Tips for success

For the most vibrant lemon flavor, use a fresh, unblemished lemon. Boiling it whole for exactly 6 minutes is crucial: too short and the peel will be tough and bitter; too long and the lemon may become too soft to slice cleanly.

When blending, make sure the mixture is completely smooth—no visible bits of peel. This ensures an even texture throughout the cake. Use a serrated knife to slice the loaf cleanly without crushing the tender crumb.

The glaze is forgiving: if it's too thick, add a few drops of lemon juice; if too thin, whisk in a bit more powdered sugar. Pour the glaze slowly over the center of the loaf and let it flow naturally down the sides.

For a thicker, snow-white glaze, use a higher ratio of powdered sugar to juice. For a more translucent, tangier glaze, use more juice. Let the glaze set for at least 10 minutes before slicing to avoid smudging.

Variations

• Lemon Poppy Seed: Fold 2 tablespoons of poppy seeds into the batter before baking. The poppy seeds add a delicate crunch and nutty flavor that pairs perfectly with the lemon. Reduce the lemon zest in the glaze to 1 teaspoon for a more subtle finish.
• Gluten-Free Option: Substitute the all-purpose flour with a 1:1 gluten-free baking flour blend. Make sure the blend contains xanthan gum or add 1/2 teaspoon to maintain structure. The texture will be slightly more crumbly but still delicious.
• Lemon Blueberry: Gently fold 1 cup of fresh or frozen blueberries into the batter before baking. Toss the berries in a little flour to prevent them from sinking. The blueberries burst during baking, adding juicy pockets of sweetness. Reduce the lemon zest in the glaze to 1 teaspoon.
• Citrus Twist: Replace the whole lemon with a combination of 1/2 lemon and 1/2 orange, boiled together. The orange adds a floral sweetness that complements the lemon. Use orange juice in the glaze instead of lemon juice and top with orange zest for a vibrant, aromatic variation.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 5 days. Bring to room temperature before serving.

Freezer

Freeze the unglazed loaf wrapped in plastic wrap and foil for up to 3 months. Thaw overnight in the fridge, then glaze and serve.

Reheat

To reheat individual slices, microwave for 10-15 seconds or warm in a 300°F (150°C) oven for 5 minutes.

Store the glazed loaf in an airtight container at room temperature for up to 3 days. If you prefer a firmer glaze, refrigerate it, but bring the cake to room temperature before serving.

The cake can also be kept in the refrigerator for up to 5 days, but the crumb may dry out slightly. For longer storage, freeze the unglazed loaf.

The cake can be baked a day ahead and stored unglazed at room temperature, wrapped tightly in plastic wrap. Glaze it the next day just before serving for the freshest appearance.

You can also prepare the glaze ahead and keep it in an airtight container in the fridge for up to 3 days; whisk it lightly before using.

Serving ideas

Serve this lemon loaf at room temperature for the best flavor and texture. It pairs beautifully with a cup of hot tea or coffee, or as a light dessert after a meal. For an extra indulgent touch, serve with a dollop of whipped cream or a scoop of vanilla ice cream, though it's delightful on its own.

The loaf is perfect for brunch spreads, baby showers, or afternoon gatherings. Slice it thick or thin, depending on preference. The glaze adds a sweet-tart contrast that makes each bite irresistible. If you have leftover glaze, drizzle it over scones or pancakes for a burst of lemon flavor.

Frequently asked questions

Recipe card

Moist Whole Lemon Loaf Cake with Tangy Glaze

Prep 15 minCook 1 hRest 10 minTotal 1 h 25 minServes 10

Ingredients

• 1 large lemon
• 1 cup granulated sugar
• 3 large eggs
• 1/2 cup whole milk
• 1/2 cup vegetable oil
• 1 1/2 cups all-purpose flour
• 2 tsp baking powder
• 1/2 tsp salt
• 1 cup powdered sugar
• 2 tbsp fresh lemon juice
• 1 tbsp fresh lemon zest

Instructions

1. Place the whole lemon in a medium saucepan and cover with water. Bring to a boil over high heat, then reduce to a simmer and cook for 6 minutes. This softens the lemon and removes the bitterness from the rind. Drain and let cool slightly until safe to handle.
2. Slice the boiled lemon in half and remove any seeds. Place the lemon (rind and all) into a blender. Add the granulated sugar, eggs, milk, and vegetable oil. Blend on high until completely smooth and velvety, about 30 seconds. The mixture will look like a thick, pale yellow puree.
3. In a large mixing bowl, whisk together the all-purpose flour, baking powder, and salt until well combined. Create a well in the center of the dry ingredients.
4. Pour the wet lemon mixture into the well of the dry ingredients. Use a spatula to fold everything together until just combined and no streaks of flour remain. Do not overmix, as this can make the cake tough.
5. Preheat the oven to 350°F (175°C). Grease a 9x5-inch loaf pan and line with parchment paper if desired. Pour the batter into the prepared pan and smooth the top. Bake for 50 to 60 minutes, until a toothpick inserted into the center comes out clean or with a few moist crumbs.
6. Let the cake cool in the pan on a wire rack for 10 minutes. Then remove the loaf from the pan and let it cool completely on the rack. This step is essential before glazing so the glaze doesn't melt into the cake.
7. In a small bowl, whisk together the powdered sugar and fresh lemon juice until smooth and pourable. The glaze should be thick but still drizzle easily from a spoon.
8. Drizzle the glaze evenly over the cooled loaf, letting it cascade down the sides. Immediately sprinkle the fresh lemon zest over the wet glaze so it sticks. Let the glaze set for a few minutes before slicing.

Contains: gluten, eggs, milk

Estimated nutrition per serving

Calories

320

Protein

4 g

Carbohydrates

45 g

Fat

14 g

Automatic estimate from the ingredient list, not laboratory-verified.