Moist Strawberry Rhubarb Muffins with Cinnamon Streusel

These strawberry rhubarb muffins are loaded with fresh fruit and topped with a buttery cinnamon streusel. They’re the kind of muffin that makes a weekday morning feel a little special.

The rhubarb adds a tangy snap that balances the sweet berries, and the crumb topping gives every bite a crisp, sugary crunch. You can have them in the oven in about 15 minutes.

Why These Muffins Are a Spring Favorite

I keep coming back to this recipe because the muffin itself stays incredibly tender, thanks to a generous scoop of sour cream. Fresh strawberries and rhubarb make a perfect pair—the berries give sweetness, the rhubarb gives a tart pop that keeps every bite interesting.

And that streusel on top? It’s a simple mix of butter, flour, and cinnamon that turns golden and crisp in the oven. It’s the first thing to disappear.

Ingredients

• 2 cups all-purpose flour: spooned and leveled for a light, tender crumb
• 1 cup granulated sugar: sweetens the batter without weighing it down
• 2 tsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• 1 large egg: at room temperature if you have time, but cold works too
• ½ cup sour cream: full-fat gives the richest texture
• ½ cup vegetable oil: canola or any neutral oil
• ½ cup whole milk: 2% works in a pinch if that’s what you have
• 1 tsp vanilla extract
• 1 cup diced fresh strawberries: about ¼-inch pieces
• 1 cup diced fresh rhubarb: same small dice so it disperses well

For the streusel:

• ½ cup all-purpose flour
• ⅓ cup packed brown sugar: light or dark, whichever you have
• ½ tsp ground cinnamon
• 4 tbsp cold unsalted butter: cubed, keep it cold until you use it

Variations and Substitutions

• Dairy-free: use a plant-based milk, a plain dairy-free sour cream or yogurt, and the same amount of refined coconut oil in place of the butter for the streusel. The muffins will still be moist.
• Other fruit: swap in an equal amount of diced peaches, blueberries, or raspberries if rhubarb isn’t around. Raspberries bring a similar tartness.
• Add a little spice: a pinch of ground ginger or cardamom stirred into the dry ingredients adds a warm note that plays well with the fruit.
• Lemon zest: rub a teaspoon of finely grated lemon zest into the sugar before whisking the wet ingredients for a bright lift.

Classic Strawberry Rhubarb Pie is a sweet treat to enjoy alongside these muffins.

How to Make Strawberry Rhubarb Muffins

Step 1: Whisk the Wet Ingredients

In a large bowl, whisk the 1 cup sugar, egg, ½ cup sour cream, ½ cup oil, and 1 teaspoon vanilla until the mixture looks smooth and pale yellow, about 1 minute. Pour in the ½ cup milk and whisk just until combined.

The batter will be thin at this point, but that’s exactly what you want. It’s what keeps the muffins so tender.

Step 2: Combine the Dry Ingredients and Fold in the Fruit

In a separate bowl, stir together the 2 cups flour, 2 teaspoons baking powder, ½ teaspoon baking soda, and ½ teaspoon salt. Make a well in the center and pour the wet mixture over the dry. Use a spatula to gently fold everything together, stopping when a few streaks of flour remain. Add the 1 cup diced strawberries and 1 cup diced rhubarb, then fold just until the fruit is evenly distributed.

Be careful not to overmix—the batter will be quite thick and lumpy, and you’ll see a few floury pockets. That’s good; overworking it leads to a dense muffin.

Step 3: Make the Streusel and Fill the Cups

In a small bowl, combine the ½ cup flour, ⅓ cup brown sugar, and ½ teaspoon cinnamon. Cut in the 4 tablespoons cold butter using a pastry cutter or your fingers until the mixture looks like coarse sand with some pea-sized butter bits. Divide the batter evenly among the 12 parchment-lined cups (a cookie scoop works well here). Crumble the streusel generously over each muffin top, using all of it—don’t hold back.

At this point the cups will be very full, almost to the top. That’s intentional; the high heat in the next step will give them a tall, domed shape.

Step 4: Bake and Cool

Preheat the oven to 400°F (200°C) with a rack in the upper third. Slide the muffin tin into the hot oven and bake for 5 minutes, then reduce the temperature to 350°F (180°C) without opening the door. Continue baking for another 14 to 16 minutes, until a toothpick inserted in the center of a muffin comes out clean and the streusel is deep golden.

Let the muffins cool in the pan on a wire rack for 5 minutes, then transfer them out of the tin to cool completely. The tops will be crisp and sugary, and the centers will stay soft.

Tips for the Best Strawberry Rhubarb Muffins

• Use cold butter for the streusel—room-temperature butter will melt into a greasy layer instead of forming crumbs.
• Dice the fruit small (about ¼-inch pieces) so it disperses nicely and doesn’t sink to the bottom.
• If your rhubarb stalks are especially thick, peel the stringy outer layer with a vegetable peeler before dicing.
• Frozen fruit works, but don’t thaw it first, or the batter will get watery.

Bake times for different pan sizes (all start with 5 minutes at 400°F, then drop to 350°F):

Storing Leftover Muffins

• Room temperature: keep them in an airtight container for up to 3 days. The streusel softens slightly but the muffins stay moist.
• Freezer: wrap each muffin individually and freeze for up to 2 months. Thaw on the counter or warm for 20 seconds in the microwave.

Frequently Asked Questions

Can I make these gluten-free?

Yes, use a 1:1 gluten-free flour blend that contains xanthan gum. The texture will be a little more delicate, but the streusel holds up well.

Can I use only strawberries or only rhubarb?

You can, but the flavor balance will shift. All strawberries makes a very sweet muffin; all rhubarb will be quite tart, so add an extra tablespoon of sugar to the batter to compensate.

Can I skip the streusel?

Of course. The muffins will still be tender and full of fruit. If you leave it off, sprinkle a teaspoon of sugar over each muffin top before baking for a little crunch.

Strawberry Rhubarb Muffins Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 20 minutes mins

Total Time 35 minutes mins

Servings: 12 servings

Calories: 260

Ingredients Method Notes

Ingredients

  

• 2 cups all-purpose flour
• 1 cup granulated sugar
• 2 tsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• 1 large egg
• ½ cup sour cream
• ½ cup vegetable oil
• ½ cup whole milk
• 1 tsp vanilla extract
• 1 cup diced fresh strawberries
• 1 cup diced fresh rhubarb
• ½ cup all-purpose flour (for streusel)
• ⅓ cup packed brown sugar
• ½ tsp ground cinnamon
• 4 tbsp cold unsalted butter, cubed

Method

 

1. Whisk 1 cup sugar, egg, sour cream, oil, and vanilla until smooth, then stir in milk.
2. Mix flour, baking powder, baking soda, and salt. Fold wet ingredients into dry until just combined, then gently fold in strawberries and rhubarb.
3. Combine streusel flour, brown sugar, and cinnamon. Cut in cold butter until crumbly. Divide batter into 12 lined muffin cups and top generously with streusel.
4. Bake at 400°F for 5 minutes, then reduce heat to 350°F and bake 14-16 minutes more until golden and a toothpick comes out clean. Cool in pan 5 minutes, then transfer to a rack.

Notes

Store leftover muffins at room temperature for up to 3 days, or freeze individually for up to 2 months. No need to thaw frozen fruit before using it in the batter.