Easy Rhubarb Crisp Recipe with Oat Topping
Easy Rhubarb Crisp with Oat Topping is the perfect summer dessert. After making this many times, I’ve found the secret to a crispy topping and tangy rhubarb filling. Keep reading for my best tips. If you love recipes like this, you’ll also enjoy Quick Zucchini Noodles with Pesto and Grilled Shrimp and Easy Baked Stuffed Apples with Oats and Cinnamon.
Why This Easy Rhubarb Crisp Recipe with Oat Topping Is Pure Comfort
- Golden, crispy oat topping
- Tangy, fresh rhubarb filling
- Easy to make, no special equipment needed
- Perfect for summer cookouts or anytime you want a light dessert
What You'll Need for Easy Rhubarb Crisp Recipe with Oat Topping
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- Rhubarb
- Sugar
- All-purpose flour
- Old-fashioned oats
- Butter
- Vanilla extract
- Cinnamon
- Salt
- Optional: Whipped cream or vanilla ice cream
đź“ť Ingredient Notes
- Rhubarb: Use fresh, tender rhubarb for the best flavor.
đź›’ Tools & Equipment I Recommend
- Food Processor — Makes quick work of chopping rhubarb and mixing the topping. → See on Amazon
- Pyrex Glass Baking Dish — Even heat distribution for perfectly cooked rhubarb crisp. → See on Amazon
How to Make Easy Rhubarb Crisp Recipe with Oat Topping
- Prepare the filling: Chop rhubarb, mix with sugar, cornstarch, and vanilla. Let it sit.
- Make the topping: Mix flour, oats, brown sugar, cinnamon, and salt. Cut in butter until crumbly.
- Assemble and bake: Transfer filling to a baking dish, top with oat mixture. Bake at 375°F (190°C) for 25-30 minutes.
Cook's Tips for Perfect Easy Rhubarb Crisp Recipe with Oat Topping
- Common mistake and fix: Don't overcook the rhubarb. It should still be slightly firm in the middle.
- Pro tip: For a crisper topping, use cold butter and don't overmix.
- Pro tip: Add a handful of berries to the filling for extra flavor and color.
Storing & Reheating Easy Rhubarb Crisp Recipe with Oat Topping
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in the fridge for up to 5 days. Make-ahead tip: The topping can be made ahead and stored in the fridge for up to 2 days.
Freezing Easy Rhubarb Crisp Recipe with Oat Topping
Freeze individual portions for up to 3 months.
How to Reheat Without Drying It Out
Oven: Reheat in the oven at 350°F (175°C) for 10-15 minutes. Microwave: Reheat in the microwave for 1-2 minutes.
Recipe Notes
- Chef tip: For a gluten-free version, use gluten-free oats and flour.
- Best substitution: Substitute rhubarb with a mix of strawberries and apples for a similar texture and flavor.
- Make-ahead: The topping can be made ahead and stored in the fridge for up to 2 days.
- Scaling: This recipe can be easily doubled or halved.
- Troubleshooting: If the topping is not crispy, bake it separately on a baking sheet for 10-15 minutes before adding the filling.
Want to level up this recipe?
Silicone Baking Mats — Prevents the topping from sticking and makes cleanup a breeze. → Check price on Amazon
Easy Rhubarb Crisp Recipe with Oat Topping
Ingredients
Main Ingredients
- Rhubarb
- Sugar
- All-purpose flour
- Old-fashioned oats
- Butter
Seasonings
- Vanilla extract
- Cinnamon
- Salt
Optional Toppings
- Whipped cream or vanilla ice cream
Instructions
- Prepare the filling: Chop rhubarb, mix with sugar, cornstarch, and vanilla. Let it sit.
- Make the topping: Mix flour, oats, brown sugar, cinnamon, and salt. Cut in butter until crumbly.
- Assemble and bake: Transfer filling to a baking dish, top with oat mixture. Bake at 375°F (190°C) for 25-30 minutes.
Notes
- Chef tip: For a gluten-free version, use gluten-free oats and flour.
- Best substitution: Substitute rhubarb with a mix of strawberries and apples for a similar texture and flavor.
- Make-ahead: The topping can be made ahead and stored in the fridge for up to 2 days.
- Scaling: This recipe can be easily doubled or halved.
- Troubleshooting: If the topping is not crispy, bake it separately on a baking sheet for 10-15 minutes before adding the filling.
Storage
- Fridge: Store leftovers in the fridge for up to 5 days.
- Freezer: Freeze individual portions for up to 3 months.
- Oven reheat: Reheat in the oven at 350°F (175°C) for 10-15 minutes.
- Microwave reheat: Reheat in the microwave for 1-2 minutes.
- Make ahead: The topping can be made ahead and stored in the fridge for up to 2 days.
Nutrition Per Serving
- Calories: 220
- Protein: 3g
- Fat: 8g
- Carbs: 35g
- Fiber: 3g
- Sugar: 25g
- Sodium: 150mg
- Cholesterol: 20mg
- Sat. Fat: 5g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Rhubarb Crisp Recipe with Oat Topping FAQs
Yes, the topping can be made ahead and stored in the fridge for up to 2 days. Assemble and bake just before serving.
Overcooking the rhubarb can make it release too much liquid, resulting in a soggy topping. Try reducing the baking time.
Yes, freeze individual portions for up to 3 months. Thaw overnight in the fridge before reheating.
Yes, assemble the crisp in a small oven-safe dish and air fry at 360°F (182°C) for 15-20 minutes.
Substitute rhubarb with a mix of strawberries and apples for a similar texture and flavor.
A Warm Final Note
I can’t wait for you to try Easy Rhubarb Crisp Recipe with Oat Topping and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
