Rhubarb Strawberry Crisp Bars

Highlighted under: Dessert Lover’s Collection

I love making Rhubarb Strawberry Crisp Bars because they're a delightful blend of tartness and sweetness, perfect for a sunny afternoon treat. The creamy layer from the ripe strawberries beautifully contrasts with the slightly tangy rhubarb. When baked, the crisp topping adds a satisfying crunch that elevates the entire dessert. Plus, they’re super easy to make and a great way to use up any fresh rhubarb you might have lingering in your garden. Serve them warm with a scoop of vanilla ice cream for an all-time favorite dessert!

Leo

Created by

Leo

Last updated on 2026-02-05T15:10:28.020Z

Creating Rhubarb Strawberry Crisp Bars turned out to be an adventure filled with learning. I initially worried that the tartness of the rhubarb might overpower the delicate strawberries, but to my surprise, they complemented each other perfectly! I found that balancing the sugars was the key; this way, neither flavor was lost, and the bars achieved a wonderful harmony.

Another valuable tip I discovered was to let the mixture rest before baking. This enables the fruits to release their juices, ensuring your filling is deliciously moist while avoiding the dreaded soggy bottom. Trust me; these little tricks transformed my dessert into a true showstopper!

Why You'll Love These Bars

  • A perfect balance of sweet and tart flavors
  • Crispy topping that adds delightful crunch
  • Great way to use fresh seasonal ingredients

Understanding Ingredients

The choice of rhubarb and strawberries is crucial for achieving the desired balance of sweetness and tartness in these bars. Rhubarb, with its vibrant pink color, brings a tangy kick that contrasts beautifully with the natural sweetness of strawberries. When selecting rhubarb, look for firm, shiny stalks with a deep color; avoid any that appear wilted or have blemishes. For strawberries, opt for ripe, sweet berries as they will significantly enhance the overall flavor of the filling.

Cornstarch plays an essential role in thickening the fruit filling. It absorbs the released juices from the rhubarb and strawberries during baking, preventing the bars from becoming overly soggy. If you need a gluten-free option, you can substitute cornstarch with a gluten-free flour blend. Just keep in mind that this may slightly alter the texture.

Perfecting the Crisp Topping

Achieving the perfect crisp topping is all about the texture. When mixing the cold butter into the dry ingredients, aim for a crumbly consistency—this means there's no need for it to fully combine into a dough. You want to see small, pea-sized clumps of butter throughout the mixture, which will melt during baking to create a delightful crunch. Be cautious not to overmix, as it could lead to a dense topping rather than a light, airy one.

If you find yourself short on brown sugar, you can substitute it with a blend of granulated sugar and a touch of molasses. This will mimic the rich flavor profile of brown sugar. Additionally, consider adding a handful of your favorite nuts or coconut flakes to the crisp mixture for added flavor and texture.

Serving and Storage Suggestions

Serving these Rhubarb Strawberry Crisp Bars warm, accompanied by a scoop of vanilla ice cream, elevates the entire dessert experience. The melt-in-your-mouth ice cream contrasts wonderfully with the slight tanginess of the filling and the crunch of the topping. For an added twist, top the bars with freshly whipped cream or a drizzle of caramel sauce for an indulgent treat.

If you have leftovers, store the bars in an airtight container at room temperature for up to three days. For longer storage, consider freezing them. Simply slice the bars, wrap them individually in plastic wrap, and then place them in a freezer-safe container. They will keep well for up to three months. Thaw overnight in the refrigerator before serving to maintain their delightful texture.

Ingredients

For the Bars

  • 1 cup all-purpose flour
  • 1 cup rolled oats
  • 1/2 cup brown sugar
  • 1/2 cup granulated sugar
  • 1/2 cup cold butter, diced
  • 1/2 teaspoon salt
  • 1/2 teaspoon cinnamon

For the Filling

  • 2 cups rhubarb, chopped
  • 2 cups strawberries, sliced
  • 1 cup granulated sugar
  • 1/4 cup cornstarch
  • 1 tablespoon lemon juice
Secondary image

Instructions

Prepare the Oven and Baking Dish

Preheat your oven to 350°F (175°C) and grease a 9x13-inch baking dish.

Make the Crisp Base

In a large bowl, combine the flour, oats, brown sugar, granulated sugar, salt, and cinnamon. Add the diced butter and mix until crumbly.

Prepare the Filling

In another bowl, combine the rhubarb, strawberries, sugar, cornstarch, and lemon juice. Toss until the fruits are well coated.

Assemble the Bars

Press half of the crisp mixture into the bottom of the prepared baking dish. Pour the fruit filling on top and sprinkle with the remaining crisp mixture.

Bake

Bake for 35-40 minutes or until the top is golden brown and the filling is bubbly.

Cool and Serve

Let the bars cool in the pan before slicing into squares. Serve warm or at room temperature.

Pro Tips

  • For an extra layer of flavor, add a teaspoon of vanilla extract to the filling. Storing the bars in an airtight container can keep them fresh for up to three days.

Tips for Baking Success

To ensure even baking, make sure to press the bottom layer of the crisp mixture firmly into the baking dish. This creates a sturdy base that can hold the filling without falling apart. Use a flat-bottomed cup or your hands to press it down evenly, which helps achieve that golden crust on the bottom.

Keep an eye on the crisp bars during the final minutes of baking. Look for a golden brown topping and the filling bubbling around the edges. If the top starts to brown too quickly, you can cover it loosely with aluminum foil to prevent burning. Remember, the bars will continue to set as they cool, so don’t worry if they appear slightly soft immediately after baking.

Making Ahead & Variations

These bars can easily be made ahead of time. Prepare the filling and crisp topping a day in advance, then assemble and bake them shortly before serving. This makes them a perfect choice for gatherings or events where you need to manage your time effectively. Leverage the time you save by preparing a double batch to enjoy later!

For those who enjoy experimenting, consider adding a sprinkle of nutmeg to the topping for an extra layer of warmth or a handful of chocolate chips to the fruit filling for some contrasting sweetness. You can also swap out strawberries with other fruits like blueberries or peaches, depending on what’s in season. Each variation brings its own unique character to the crisp bars.

Questions About Recipes

→ Can I use frozen rhubarb and strawberries?

Yes, frozen fruits can be used. Just ensure to thaw and drain any excess moisture before adding them to the filling.

→ What can I substitute for butter?

You can substitute butter with coconut oil or margarine for a dairy-free option.

→ How do I store leftovers?

Store the bars in an airtight container at room temperature for up to three days, or refrigerate for up to a week.

→ Can I use alternative sweeteners?

Absolutely! You can use honey, maple syrup, or agave nectar as substitutes, but adjust the amount accordingly.

Rhubarb Strawberry Crisp Bars

I love making Rhubarb Strawberry Crisp Bars because they're a delightful blend of tartness and sweetness, perfect for a sunny afternoon treat. The creamy layer from the ripe strawberries beautifully contrasts with the slightly tangy rhubarb. When baked, the crisp topping adds a satisfying crunch that elevates the entire dessert. Plus, they’re super easy to make and a great way to use up any fresh rhubarb you might have lingering in your garden. Serve them warm with a scoop of vanilla ice cream for an all-time favorite dessert!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time1 hour

Created by: Leo

Recipe Type: Dessert Lover’s Collection

Skill Level: Intermediate

Final Quantity: 12 bars

What You'll Need

For the Bars

  1. 1 cup all-purpose flour
  2. 1 cup rolled oats
  3. 1/2 cup brown sugar
  4. 1/2 cup granulated sugar
  5. 1/2 cup cold butter, diced
  6. 1/2 teaspoon salt
  7. 1/2 teaspoon cinnamon

For the Filling

  1. 2 cups rhubarb, chopped
  2. 2 cups strawberries, sliced
  3. 1 cup granulated sugar
  4. 1/4 cup cornstarch
  5. 1 tablespoon lemon juice

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease a 9x13-inch baking dish.

Step 02

In a large bowl, combine the flour, oats, brown sugar, granulated sugar, salt, and cinnamon. Add the diced butter and mix until crumbly.

Step 03

In another bowl, combine the rhubarb, strawberries, sugar, cornstarch, and lemon juice. Toss until the fruits are well coated.

Step 04

Press half of the crisp mixture into the bottom of the prepared baking dish. Pour the fruit filling on top and sprinkle with the remaining crisp mixture.

Step 05

Bake for 35-40 minutes or until the top is golden brown and the filling is bubbly.

Step 06

Let the bars cool in the pan before slicing into squares. Serve warm or at room temperature.

Extra Tips

  1. For an extra layer of flavor, add a teaspoon of vanilla extract to the filling. Storing the bars in an airtight container can keep them fresh for up to three days.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 10g
  • Saturated Fat: 6g
  • Cholesterol: 30mg
  • Sodium: 150mg
  • Total Carbohydrates: 38g
  • Dietary Fiber: 3g
  • Sugars: 20g
  • Protein: 3g