This delightful rhubarb crisp is a perfect blend of tart and sweet, making it an ideal dessert for any occasion. The combination of rhubarb and a crunchy oat topping creates a comforting and satisfying treat that is sure to please your taste buds. Whether you are a seasoned baker or a novice in the kitchen, this recipe is simple to follow and yields delicious results.
If you don't commonly have rhubarb at home, you might need to visit the produce section of your supermarket. Rhubarb is a tart vegetable often used in desserts and can usually be found fresh in the spring and early summer. Make sure to choose stalks that are firm and brightly colored.

Ingredients For Rhubarb Crisp Recipe
Rhubarb: A tart vegetable that adds a unique flavor to desserts.
Granulated sugar: Sweetens the rhubarb mixture.
All-purpose flour: Helps to thicken the rhubarb filling.
Rolled oats: Adds a crunchy texture to the topping.
Brown sugar: Provides a rich, caramel-like sweetness to the topping.
Melted butter: Binds the topping ingredients together and adds richness.
Ground cinnamon: Adds warmth and depth of flavor to the topping.
Technique Tip for Rhubarb Crisp
When preparing the rhubarb, ensure that it is chopped into uniform pieces. This will help it cook evenly and achieve the desired tender texture. Additionally, when mixing the oats and brown sugar for the topping, make sure to blend them thoroughly with the melted butter until the mixture is crumbly. This will create a perfect, golden-brown crust that contrasts beautifully with the soft rhubarb.
Suggested Side Dishes
Alternative Ingredients
rhubarb - Substitute with strawberries: Strawberries provide a similar tartness and sweetness, making them a good alternative in a crisp.
granulated sugar - Substitute with honey: Honey adds a natural sweetness and a slightly different flavor profile, but works well in crisps.
all-purpose flour - Substitute with almond flour: Almond flour can be used to make the dish gluten-free and adds a nutty flavor.
rolled oats - Substitute with quinoa flakes: Quinoa flakes provide a similar texture and are a good gluten-free option.
brown sugar - Substitute with coconut sugar: Coconut sugar has a similar sweetness and a slight caramel flavor, making it a good alternative.
melted butter - Substitute with coconut oil: Coconut oil provides a similar fat content and can add a subtle coconut flavor.
ground cinnamon - Substitute with ground nutmeg: Ground nutmeg offers a warm, spicy flavor that complements the other ingredients well.
Other Alternative Recipes Similar to Rhubarb Crisp
How to Store or Freeze Rhubarb Crisp
Allow the rhubarb crisp to cool completely at room temperature before storing. This helps prevent condensation, which can make the topping soggy.
For short-term storage, cover the baking dish tightly with plastic wrap or aluminum foil. You can also transfer the dessert to an airtight container. Store in the refrigerator for up to 5 days.
If you plan to freeze the rhubarb crisp, first ensure it is fully cooled. Wrap the entire baking dish in plastic wrap, followed by a layer of aluminum foil to prevent freezer burn. Alternatively, you can portion the crisp into individual servings and place them in airtight containers or freezer bags.
Label the containers with the date to keep track of freshness. The rhubarb crisp can be frozen for up to 3 months.
When ready to enjoy, thaw the rhubarb crisp in the refrigerator overnight. For a quicker option, let it sit at room temperature for a few hours.
To reheat, preheat your oven to 350°F (175°C). Place the crisp in an oven-safe dish and cover with aluminum foil to prevent the topping from burning. Heat for about 15-20 minutes, or until warmed through.
For an extra-crispy topping, remove the foil during the last 5 minutes of reheating. If reheating individual portions, you can also use a microwave. Heat on medium power for 1-2 minutes, checking frequently to avoid overheating.
Serve the reheated rhubarb crisp with a scoop of vanilla ice cream or a dollop of whipped cream for an added touch of indulgence.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the rhubarb crisp in an oven-safe dish and cover it with aluminum foil to prevent the topping from burning. Heat for about 15-20 minutes or until warmed through. This method helps maintain the crisp texture of the topping.
For a quicker option, use the microwave. Place a portion of the rhubarb crisp in a microwave-safe dish. Heat on medium power for 1-2 minutes, checking halfway through to ensure it heats evenly. Be cautious, as the crisp topping may soften slightly.
If you have an air fryer, preheat it to 350°F (175°C). Place the rhubarb crisp in a small, air fryer-safe dish. Heat for about 5-7 minutes, checking frequently to ensure the topping doesn't overcook. This method can help retain some of the crisp texture.
For stovetop reheating, use a non-stick skillet over medium-low heat. Place the rhubarb crisp in the skillet and cover with a lid. Heat for about 5-7 minutes, stirring occasionally to ensure even warming. This method can help keep the rhubarb tender and the crisp topping somewhat crunchy.
If you prefer a toaster oven, preheat it to 350°F (175°C). Place the rhubarb crisp in a toaster oven-safe dish and cover with aluminum foil. Heat for about 10-15 minutes, checking to ensure the topping doesn't burn. This method is great for small portions and retains the crisp texture.
Best Tools for Making Rhubarb Crisp
Oven: Preheat to 375°F (190°C) for baking the rhubarb crisp.
Baking dish: Use to spread the rhubarb mixture evenly.
Mixing bowl: Combine rhubarb, granulated sugar, and flour in one; mix oats, brown sugar, melted butter, and cinnamon in another.
Measuring cups: Measure out the rhubarb, granulated sugar, flour, oats, and brown sugar accurately.
Measuring spoons: Measure the ground cinnamon and flour precisely.
Spatula: Mix the ingredients well in the bowls.
Knife: Chop the rhubarb into pieces.
Cutting board: Provide a surface for chopping the rhubarb.
Oven mitts: Protect your hands when placing the baking dish in the oven and removing it.
Cooling rack: Allow the rhubarb crisp to cool after baking.
How to Save Time on Making Rhubarb Crisp
Prepare ingredients in advance: Chop the rhubarb and measure out the sugar and flour the night before to save time.
Use a food processor: Quickly mix the oats, brown sugar, and butter in a food processor for a faster crumbly topping.
Preheat the oven early: Start preheating your oven before you begin mixing ingredients to ensure it's ready when you are.
Line the baking dish: Use parchment paper to line your baking dish for easy cleanup.
Batch preparation: Double the recipe and freeze half for a quick dessert later.

Rhubarb Crisp Recipe
Ingredients
Main Ingredients
- 4 cups chopped rhubarb
- 1 cup granulated sugar
- 3 tablespoons all-purpose flour
- 1 cup rolled oats
- 1 cup packed brown sugar
- 0.5 cup melted butter
- 1 teaspoon ground cinnamon
Instructions
- Preheat oven to 375°F (190°C).
- In a bowl, combine rhubarb, granulated sugar, and flour. Mix well and spread evenly in a baking dish.
- In another bowl, mix oats, brown sugar, melted butter, and cinnamon until crumbly. Sprinkle over rhubarb mixture.
- Bake for 45 minutes or until topping is golden brown and rhubarb is tender.
Nutritional Value
Keywords
Suggested Appetizers and Main Courses for Rhubarb Crisp
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