Lemon Rhubarb Loaf with Glaze (Soft, Moist & Easy Recipe)

this recipe

This lemon rhubarb loaf is one of those simple bakes that always feels special without being complicated.

The combination of bright lemon and tangy rhubarb creates a fresh, balanced flavor that’s not too sweet and never heavy. It’s the kind of loaf I like to make when I want something comforting but still light enough to enjoy any time of day.

The texture is soft and moist thanks to butter and sour cream, with little pockets of tart rhubarb throughout. And that simple lemon glaze on top adds just the right touch of sweetness to bring everything together.

Whether you’re baking for a quiet afternoon, a weekend brunch, or just to have something homemade on hand, this lemon rhubarb loaf is a reliable recipe you’ll come back to again and again.

Quick Answer

What is a lemon rhubarb loaf?

A lemon rhubarb loaf is a soft quick bread made with fresh rhubarb, lemon juice, and zest. It has a tender crumb, a sweet-tart flavor, and is often finished with a simple lemon glaze.

Quick Overview

• Prep time: 15 minutes
• Bake time: 50–60 minutes
• Total time: about 1 hour 15 minutes
• Servings: 8–10 slices
• Calories: ~220–260 kcal per slice

Best for: breakfast, snack, dessert
Texture: soft, moist, tender crumb

Why You’ll Love This Lemon Rhubarb Loaf

This lemon rhubarb loaf is simple, flavorful, and easy to make with everyday ingredients.

• Bright, balanced flavor: The tart rhubarb pairs perfectly with fresh lemon for a light, refreshing taste.
• Soft and moist texture: Butter and sour cream (or Greek yogurt) keep the loaf tender and never dry.
• Easy to make: No yeast or complicated steps—just mix, bake, and glaze.
• Perfect for any time: Works as a breakfast treat, afternoon snack, or light dessert.
• Flexible recipe: You can use fresh or frozen rhubarb and easily adjust flavors with add-ins.

If you enjoy rhubarb baking like this, you might also like our rhubarb oat bars.

Ingredients for Lemon Rhubarb Loaf

This lemon rhubarb loaf is made with simple baking staples and fresh, bright flavors.

Dry Ingredients:

• 1 ½ cups all-purpose flour
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ¼ teaspoon salt

Wet Ingredients

• ½ cup unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• ¼ cup fresh lemon juice
• 1 tablespoon lemon zest
• ½ cup sour cream or Greek yogurt
• 1 teaspoon vanilla extract

Add-Ins

• 1 cup chopped fresh rhubarb

Lemon Glaze

• Powdered sugar, as needed
• 1 to 2 tablespoons fresh lemon juice

Mixing and Baking Instructions

1. Preheat the oven to 350°F (175°C) and grease or line a 9×5-inch loaf pan.
2. Bring butter, eggs, and sour cream (or Greek yogurt) to room temperature.
3. Whisk together the flour, baking powder, baking soda, and salt in a medium bowl.
4. Beat the softened butter and sugar until light and fluffy.
5. Add eggs one at a time, mixing after each; then stir in lemon juice, lemon zest, sour cream (or Greek yogurt), and vanilla until smooth.
6. Slowly add the dry ingredients to the wet mixture, stirring gently until no flour streaks remain.
7. Fold in the chopped rhubarb and any optional add-ins.
8. Pour the batter into the prepared loaf pan and smooth the top.
9. Bake for 50–60 minutes, beginning to check at 50 minutes; insert a toothpick into the center until it comes out clean or with a few moist crumbs.
10. Cool the loaf in the pan for about 10 minutes, then transfer to a wire rack to cool completely.
11. While the loaf cools, whisk powdered sugar with 1–2 tablespoons fresh lemon juice until smooth and pourable, adjusting for desired thickness.
12. Drizzle the glaze over the cooled loaf and let it set.

Serving Ideas

• This lemon rhubarb loaf is easy to serve and fits into all kinds of moments.
• For brunch: Serve alongside eggs or a light salad for a balanced spread.
• With coffee or tea: A simple slice pairs perfectly with your favorite hot drink.
• With fresh fruit: Serve with berries or citrus slices for a brighter plate.
• Lightly toasted: A quick toast brings out extra flavor and a slight crispness.
• As dessert: Add whipped cream or a scoop of vanilla ice cream for something more indulgent.

Tips for the Best Lemon Rhubarb Loaf

• Choose good rhubarb: Use firm, fresh stalks for the best flavor and texture.
• Zest carefully: Only use the yellow outer layer of the lemon to avoid bitterness.
• Use room temperature ingredients: Butter, eggs, and sour cream mix more smoothly and bake more evenly.
• Don’t overmix: Stir just until combined to keep the loaf soft and tender.
• Check doneness properly: Insert a toothpick in the center—if it comes out with a few moist crumbs, it’s ready.

Flavor Variations and Substitutions

This lemon rhubarb loaf is easy to customize depending on your taste.

• Berry twist: Replace part of the rhubarb with blueberries or strawberries for a sweeter, fruitier loaf.
• Add nuts: Stir in chopped walnuts or pecans for extra texture and crunch.
• Warm spices: Add a pinch of cinnamon or nutmeg for a cozy flavor.
• Creamier texture: Swap sour cream for cream cheese for a richer, denser loaf.
• Tropical touch: Mix in shredded coconut for a light, sweet variation.

Storage and Freezing

This lemon rhubarb loaf stores well and is great for making ahead.

• Room temperature: Store in an airtight container for up to 3 days.
• Refrigeration: Wrap tightly and store in the fridge for up to 1 week. Bring to room temperature before serving for best texture.
• Freezing: Slice and wrap individually, then freeze for up to 3 months. Thaw at room temperature or warm briefly before serving.

For general food storage guidance, you can refer to these food safety recommendations.

Is This Lemon Rhubarb Loaf Healthy?

This lemon rhubarb loaf is best enjoyed as a balanced treat rather than an everyday health food — but it does have some nice positives.

Rhubarb itself is naturally low in calories and provides fiber and antioxidants, which support digestion and overall wellness. Lemon juice and zest also add a boost of vitamin C and fresh flavor without extra calories.

That said, this loaf contains butter and sugar, which give it that soft texture and delicious taste, but also make it more of an indulgent bake. If you’d like to make it a bit lighter, you can reduce the sugar slightly or use Greek yogurt instead of sour cream for a higher-protein option.

Overall, it’s a homemade dessert made with simple, real ingredients — and when enjoyed in moderation, it fits perfectly into a balanced lifestyle.

Frequently Asked Questions

Can I use frozen rhubarb instead of fresh?
Yes, absolutely. Just make sure to thaw it completely and drain any excess liquid before adding it to the batter to prevent a soggy loaf.

How do I know when the loaf is fully baked?
Insert a toothpick into the center of the loaf. If it comes out clean or with a few moist crumbs, it’s ready. If you see wet batter, bake for a few more minutes and check again.

Can I substitute Greek yogurt?
Yes. Sour cream or plain yogurt work just as well and help keep the loaf soft and moist.

How can I adjust the glaze consistency?
Use less lemon juice for a thicker glaze that drizzles slowly, or add a bit more lemon juice for a thinner, more spreadable glaze.

Can I make mini loaves instead of one large loaf?
Definitely. Divide the batter into mini loaf pans and bake for about 25–35 minutes. Start checking early to avoid overbaking.

Conclusion

This lemon rhubarb loaf is one of those simple bakes that feels special every time you make it. The combination of bright lemon and tangy rhubarb creates a fresh, comforting flavor that works just as well for breakfast as it does for dessert.

It’s easy to prepare, flexible with ingredients, and perfect for making ahead — which makes it a great recipe to keep on hand for busy weeks or relaxed weekends.

Whether you serve it with your morning coffee, share it with friends, or enjoy a quiet slice in the afternoon, this loaf always delivers that cozy, homemade feeling.

If you try it, don’t be surprised if it quickly becomes one of your go-to recipes.