Sweet Small Batch Rhubarb Muffins

I didn’t know rhubarb muffins could be made in small batches until I got tired of eating the same muffins for a week straight. Most recipes make a dozen or more, which sounds great until you’re staring down muffin number ten on day five.

That’s when I started cutting recipes down. These rhubarb muffins make just six, which is perfect for a weekend breakfast or when you want something freshly baked without the commitment. The tangy rhubarb keeps them from being too sweet, and that cinnamon streusel on top? It’s the kind of thing that makes you reach for a second one before lunch.

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What Kind of Rhubarb Should I Use?

Fresh rhubarb is always your best bet for muffins, and you’ll find it in grocery stores during spring and early summer when it’s in season. The color of the stalks can range from deep red to pale pink or even greenish, and while the red varieties look prettier, they all taste pretty similar. Just make sure to trim off any leaves if they’re still attached, since those are actually toxic – you only want to use the stalks. If fresh rhubarb isn’t available, you can use frozen rhubarb instead, but don’t thaw it before adding it to your batter or you’ll end up with too much moisture in your muffins.

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Options for Substitutions

These muffins are pretty forgiving when it comes to swaps, so here are some options if you need them:

• Rhubarb: Fresh rhubarb is best here, but if you only have frozen, thaw it completely and pat it dry with paper towels before adding it to the batter. You can also swap rhubarb for diced strawberries or a mix of both for a classic combo.
• Sour cream: Plain Greek yogurt works great as a substitute and gives you the same tangy flavor and moisture. You can also use regular plain yogurt, though the muffins might be slightly less rich.
• Brown sugar: Regular white sugar works fine in the streusel topping, though you’ll lose a bit of that caramel-like flavor. You could also use coconut sugar for a similar result.
• Milk: Any milk you have on hand works – whole, 2%, almond, or oat milk all do the job just fine.
• Butter: You can use melted coconut oil instead, though the flavor will be slightly different. Keep the butter cold for the streusel topping – that’s important for getting those nice crumbly bits.

Watch Out for These Mistakes While Baking

The biggest mistake with rhubarb muffins is skipping the flour coating on the rhubarb pieces, which causes them to release too much moisture and sink straight to the bottom, leaving you with dense, wet muffins. Make sure your melted butter cools down to around 90°F before adding it to the batter – if it’s too hot, it’ll scramble the egg and create an uneven texture. Don’t overmix the batter once you add the dry ingredients; fold just until combined and let it rest for those 10 minutes, as this helps the flour hydrate and creates a tender crumb instead of tough, rubbery muffins. Finally, resist the urge to skip the two-temperature baking method – starting at 400°F helps the muffins rise quickly and develop nice domed tops, while finishing at 350°F ensures they bake through without burning the streusel topping.

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What to Serve With Rhubarb Muffins?

These rhubarb muffins are perfect for a relaxed weekend breakfast or afternoon snack with a hot cup of coffee or tea. I love serving them warm with a pat of salted butter that melts right into the muffin, or you can spread on some cream cheese for extra richness. They also pair nicely with fresh berries on the side and a dollop of Greek yogurt if you want to make it feel more like a complete breakfast. Since rhubarb has a nice tartness to it, the muffins go really well with sweeter drinks like a vanilla latte or even a glass of fresh orange juice.

Storage Instructions

Store: Keep your rhubarb muffins in an airtight container at room temperature for up to 2 days, or in the fridge for up to 5 days. The fridge will help them last longer, especially since they have sour cream in them, but they might lose a tiny bit of that fresh-baked softness.

Freeze: These muffins freeze really well for up to 3 months. Just let them cool completely, then wrap each one individually in plastic wrap before putting them all in a freezer bag. This way you can grab just one or two whenever you want a treat!

Enjoy: To bring your muffins back to life, let frozen ones thaw at room temperature for about an hour, or pop them in the microwave for 20-30 seconds. If they’re from the fridge, a quick 10-15 second zap in the microwave will warm them up nicely and make them taste freshly baked again.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 1450-1600
• Protein: 19-23 g
• Fat: 70-80 g
• Carbohydrates: 190-210 g

Ingredients

For the topping:

• 2/3 cup all-purpose flour
• 1/4 tsp salt
• 4 tbsp brown sugar
• 3/4 tsp cinnamon
• 1/8 tsp ground nutmeg
• 3 tbsp butter (melted and cooled to room temperature)

For the muffin batter:

• 4 tbsp butter (I like Kerrygold unsalted butter for this)
• 1 1/4 cups all-purpose flour
• 1 tsp baking powder
• 1/2 tsp salt
• 3/4 tsp cinnamon
• 7 tbsp sugar
• 1 egg (room temperature, about 70°F)
• 6 tbsp sour cream
• 2 tbsp milk
• 1 tsp vanilla
• 5 oz rhubarb (cut into 1/2-inch pieces)

Step 1: Prepare the Streusel Topping and Preheat

• 3 tbsp butter
• 2/3 cup all-purpose flour
• 4 tbsp brown sugar
• 1/4 tsp salt
• 3/4 tsp cinnamon
• 1/8 tsp ground nutmeg

Preheat your oven to 400°F and line 6 muffin cups with paper liners.

While the oven heats, make the streusel by melting 3 tablespoons of butter and combining it with 2/3 cup flour, 4 tablespoons brown sugar, 1/4 teaspoon salt, 3/4 teaspoon cinnamon, and 1/8 teaspoon nutmeg until the mixture resembles coarse crumbs.

Transfer the streusel to the refrigerator so it stays cold and crumbly while you prepare the batter.

Step 2: Mix the Dry Ingredients

• 1 1/4 cups all-purpose flour
• 1 tsp baking powder
• 1/2 tsp salt
• 3/4 tsp cinnamon

In a medium bowl, whisk together 1 1/4 cups all-purpose flour, 1 teaspoon baking powder, 1/2 teaspoon salt, and 3/4 teaspoon cinnamon.

Set this dry mixture aside—this will be folded into the wet ingredients later.

Step 3: Create the Wet Base and Rest

• 4 tbsp butter
• 1 egg
• 7 tbsp sugar
• 6 tbsp sour cream
• 2 tbsp milk
• 1 tsp vanilla

Melt 4 tablespoons of butter and cool it to approximately 90°F (you want it warm but not hot to the touch).

In a separate bowl, whisk the room-temperature egg with 7 tablespoons sugar for about 30 seconds until combined.

Pour in the cooled melted butter, 6 tablespoons sour cream, 2 tablespoons milk, and 1 teaspoon vanilla, stirring gently to combine.

Let this mixture rest for 5 minutes—this resting period allows the ingredients to fully incorporate and helps develop a tender crumb.

I like to use Kerrygold butter for its rich flavor, which really enhances the final muffin.

Step 4: Combine and Rest the Batter

• dry ingredient mixture from Step 2
• wet ingredient mixture from Step 3

Gently fold the dry ingredient mixture from Step 2 into the wet mixture from Step 3 using a spatula or wooden spoon, stirring just until combined—overmixing will make tough muffins.

Let the batter rest for 10 minutes; this allows the flour to fully hydrate and creates a more tender texture.

Step 5: Fold in Rhubarb and Fill Muffin Cups

• 5 oz rhubarb
• batter from Step 4
• streusel topping from Step 1

While the batter rests, cut 5 ounces of fresh rhubarb into 1/2-inch pieces.

Toss the rhubarb pieces lightly in a tablespoon of flour (from your pantry, not listed separately) to prevent them from sinking and to reduce excess moisture.

After the 10-minute rest, gently fold the floured rhubarb into the batter.

Divide the batter evenly among the 6 prepared muffin cups, filling each about three-quarters full.

Top each muffin with a few pieces of the remaining rhubarb, then sprinkle generously with the cold streusel mixture from Step 1.

Step 6: Bake with Temperature Adjustment

Bake the muffins at 400°F for 5 minutes to set the structure quickly, then reduce the oven temperature to 350°F and continue baking for 12–15 minutes more, until a toothpick inserted into the center comes out clean or with just a few moist crumbs.

The initial hot bake creates a nice dome, while the lower temperature prevents the tops from browning too quickly.

I find this two-stage baking method gives the most evenly baked muffins with a tender interior.

Step 7: Cool and Serve

Remove the muffin pan from the oven and let the muffins cool in the pan for 5 minutes.

This brief cooling period allows them to set slightly so they release cleanly from the liners.

Transfer the muffins to a wire rack to cool completely before serving.

Sweet Small Batch Rhubarb Muffins

Delicious Sweet Small Batch Rhubarb Muffins recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 35 minutes mins

Total Time 52 minutes mins

Servings 6 muffins

Calories 1525 kcal

Ingredients

  

For the topping

• 2/3 cup all-purpose flour
• 1/4 tsp salt
• 4 tbsp brown sugar
• 3/4 tsp cinnamon
• 1/8 tsp ground nutmeg
• 3 tbsp butter (melted and cooled to room temperature)

For the muffin batter

• 4 tbsp butter (I like Kerrygold unsalted butter for this)
• 1 1/4 cups all-purpose flour
• 1 tsp baking powder
• 1/2 tsp salt
• 3/4 tsp cinnamon
• 7 tbsp sugar
• 1 egg (room temperature, about 70°F)
• 6 tbsp sour cream
• 2 tbsp milk
• 1 tsp vanilla
• 5 oz rhubarb (cut into 1/2-inch pieces)

Instructions

 

• Preheat your oven to 400°F and line 6 muffin cups with paper liners. While the oven heats, make the streusel by melting 3 tablespoons of butter and combining it with 2/3 cup flour, 4 tablespoons brown sugar, 1/4 teaspoon salt, 3/4 teaspoon cinnamon, and 1/8 teaspoon nutmeg until the mixture resembles coarse crumbs. Transfer the streusel to the refrigerator so it stays cold and crumbly while you prepare the batter.
• In a medium bowl, whisk together 1 1/4 cups all-purpose flour, 1 teaspoon baking powder, 1/2 teaspoon salt, and 3/4 teaspoon cinnamon. Set this dry mixture aside—this will be folded into the wet ingredients later.
• Melt 4 tablespoons of butter and cool it to approximately 90°F (you want it warm but not hot to the touch). In a separate bowl, whisk the room-temperature egg with 7 tablespoons sugar for about 30 seconds until combined. Pour in the cooled melted butter, 6 tablespoons sour cream, 2 tablespoons milk, and 1 teaspoon vanilla, stirring gently to combine. Let this mixture rest for 5 minutes—this resting period allows the ingredients to fully incorporate and helps develop a tender crumb. I like to use Kerrygold butter for its rich flavor, which really enhances the final muffin.
• Gently fold the dry ingredient mixture from Step 2 into the wet mixture from Step 3 using a spatula or wooden spoon, stirring just until combined—overmixing will make tough muffins. Let the batter rest for 10 minutes; this allows the flour to fully hydrate and creates a more tender texture.
• While the batter rests, cut 5 ounces of fresh rhubarb into 1/2-inch pieces. Toss the rhubarb pieces lightly in a tablespoon of flour (from your pantry, not listed separately) to prevent them from sinking and to reduce excess moisture. After the 10-minute rest, gently fold the floured rhubarb into the batter. Divide the batter evenly among the 6 prepared muffin cups, filling each about three-quarters full. Top each muffin with a few pieces of the remaining rhubarb, then sprinkle generously with the cold streusel mixture from Step 1.
• Bake the muffins at 400°F for 5 minutes to set the structure quickly, then reduce the oven temperature to 350°F and continue baking for 12–15 minutes more, until a toothpick inserted into the center comes out clean or with just a few moist crumbs. The initial hot bake creates a nice dome, while the lower temperature prevents the tops from browning too quickly. I find this two-stage baking method gives the most evenly baked muffins with a tender interior.
• Remove the muffin pan from the oven and let the muffins cool in the pan for 5 minutes. This brief cooling period allows them to set slightly so they release cleanly from the liners. Transfer the muffins to a wire rack to cool completely before serving.