Easy Rhubarb Crisp Recipe [+ Video] – Savory Nothings

Two scoops of vanilla ice cream beside warm strawberry crumble in a metal bowl, steam rising.

If you love quick and delicious desserts, this easy Rhubarb Crisp is one of the best! It comes together fast and tastes incredible topped with a scoop of vanilla ice cream—my go-to for spring treats.

Fruity desserts have always been my favorite, especially those cozy crumbles and crisps that remind me of family dinners. Lucky for me, my neighbor’s giant rhubarb plant means spring is always rhubarb season at my house. And this easy rhubarb crisp has become our absolute favorite way to enjoy it first!

What I love about this recipe is how simple and forgiving it is. It’s great if you don’t bake often, if you’re juggling kids, or if you just want a no-fuss dessert. Plus, it uses no eggs and mostly common pantry staples. Seriously, what’s not to love?

If you’re all about simple, fruit-filled desserts, this rhubarb crisp will quickly become a favorite. It shines when rhubarb is fresh and plentiful in spring. This recipe is quick, forgiving even for kitchen newbies, and absolutely irresistible when served warm with vanilla ice cream. It skips eggs, leans on pantry staples, and works great with both fresh and frozen rhubarb alike.

Keep reading and you’ll find everything needed to bake this crisp with confidence: detailed ingredient notes (complete with handy swaps and advice on using frozen rhubarb), helpful step-by-step photos, pro tips for nailing the texture, ideas for tasty variations, plus tips on storing and reheating leftovers. When you’re ready, just head to the printable recipe card at the bottom!

  • A straightforward, one-dish dessert that’s perfect for spring and Easter celebrations.
  • Egg-free and made mostly with pantry staples — great for last-minute baking sessions.
  • Includes step-by-step images, troubleshooting advice, and variations so you can tweak it to what’s on hand in your kitchen.

Why This Crisp Is a Winner

This rhubarb crisp wins because it’s quick to assemble, forgiving if you’re not a baking pro, and relies mostly on ingredients you probably already have at home. No eggs needed, fresh or frozen rhubarb both work beautifully—see how to prepare, store, freeze, and cook with rhubarb—and it all bakes up in one dish for easy cleanup. The buttery oat topping goes golden and crunchy while the rhubarb filling turns tender and jammy—serve warm with vanilla ice cream and you’ve got a winner everyone will love.

  • Super easy to put together — perfect for beginner cooks or baking alongside kiddos.
  • Egg-free and uses common pantry staples like oats, flour, sugar, butter, and cornstarch.
  • Works perfectly with fresh garden rhubarb or convenient frozen rhubarb — see this classic rhubarb crisp with frozen rhubarb for extra tips (I’ll share thawing tips below).
  • Flexible recipe: you can adjust the thickener depending on how juicy or tart your rhubarb is.

What You’ll Need

top-down view of rhubarb cubes and baking ingredients in bowls on a beige countertop for a crumble recipe with labeled text

  • sliced rhubarb (fresh or frozen)
  • cornstarch
  • sugar
  • cinnamon
  • flour
  • quick oats (or old-fashioned oats)
  • salt
  • cold, diced butter
  • butter (for buttering a 2-quart casserole dish)

How to Make the Crisp

  1. Slice rhubarb into pieces; if using frozen, measure while frozen, thaw fully, and drain excess liquid.
  2. Toss sliced rhubarb with cornstarch, sugar, and cinnamon in a large bowl until evenly coated.
  3. If the rhubarb is very juicy, add an extra tablespoon of cornstarch and toss to combine.
  4. Butter a 2-quart casserole dish and transfer the rhubarb filling, smoothing it into an even layer.

  5. In a large bowl, combine flour, oats, sugar, cinnamon, and salt for the crumble topping, then add cold diced butter.
  6. Use your hands to work the cold butter into the dry ingredients until the mixture resembles chunky oatmeal-cookie dough.
  7. Sprinkle the crumble topping evenly over the rhubarb filling.
  8. Bake until the topping is golden brown and the filling bubbles at the edges.

    A hand sprinkles crumb topping over a fruit crumble in a white baking dish on a kitchen counter.

  9. Let the crisp rest on the counter for 10 minutes before serving.

    baked fruit crumble in a white casserole dish with golden crumb topping; hand holds towel nearby

Tips for a Perfect Topping

  • Take your time cutting the butter into the dry ingredients. The goal is a crumb mixture that feels like thick, chunky oatmeal cookie dough—this makes for a wonderfully crunchy topping (you can see the same texture in our British Rhubarb Crumble). If you rush it, the topping can end up sandy or taste floury.
  • If your rhubarb is super juicy or from a big, mature patch, don’t hesitate to add extra cornstarch to help the filling set. You’ll find similar thickening guidance in our Strawberry Rhubarb Pie.
  • Resist the urge to serve the crisp straight from the oven. Let it rest for 10 minutes so the filling thickens up nicely—it’s worth the wait!
  • Don’t cut back on the sugar here. Rhubarb’s natural tartness needs that sweet balance to shine.

Mix-Ins and Flavor Swaps

Peach crumble with whipped cream and caramel in a white bowl

  • Strawberry-rhubarb combo: Add 1 to 1 1/2 cups of halved fresh strawberries to the rhubarb for that classic, perfect sweet-tart mix everyone loves—it’s the same pairing that shines in this rhubarb-strawberry galette.
  • Apple-rhubarb twist: Swap out up to a pound of the rhubarb with thin apple slices to mellow the tartness and add a fresh flavor.
  • Change up the sweetener: Try light brown sugar in place of white for a caramel depth, or swap some sugar for pure maple syrup—just reduce any added liquid a little so it’s not too wet.
  • Crunch it up: Toss 1/2 cup of chopped pecans or almonds into the crumble for a nutty texture boost.
  • Brighten the flavor: Stir in 1/2 teaspoon freshly grated ginger, 1/4 teaspoon cardamom, or a teaspoon of lemon zest (lemon and rhubarb are a natural pair—see this Lemon Rhubarb Loaf) into the filling for a fresh twist.
  • Make it gluten-free: Use a 1:1 gluten-free flour blend and certified gluten-free oats to keep it safe for gluten sensitivities.
  • Individual servings: Portion into small ramekins and shorten baking time until the filling bubbles and topping turns golden brown—perfect for family snacks or parties.Close-up of a golden-brown crumble topping over bubbling red fruit filling

Storing and Reheating Leftovers

This crisp keeps well at room temperature for 1-2 days. Once it has cooled, cover it loosely with plastic wrap and store it in a dry spot away from direct sunlight. Eat it within a day or two for the best flavor.

If you have leftovers, warming individual servings in the microwave works great—just pop them in for a quick warm-up whenever a sweet craving hits!

Common Questions Answered

  • Q: Can I use frozen rhubarb? A: Absolutely! Measure while frozen, thaw fully, and then drain excess juice gently without squeezing. If it feels very juicy, add an extra tablespoon of cornstarch to make sure the filling thickens nicely.
  • Q: What if I only have old-fashioned oats? A: Old-fashioned oats work fine but make the crumble coarser and less cohesive. If you want a finer crumble, pulse them a few times in a food processor before using. If you enjoy a more pronounced oat texture in your bakes, try our rhubarb tart with oat crust.
  • Q: How should I store leftover crisp? A: The recipe suggests leaving it covered at room temp for 1–2 days. You can also keep leftovers refrigerated, covered, for up to 3–4 days. To reheat, microwave portions or warm the whole dish in a 350°F oven until heated through.
  • Q: Can I prepare this ahead of time? A: Yes! Make the filling and crumble topping ahead and keep refrigerated until baking. Or assemble the crisp unbaked, wrap it tightly, and freeze for up to 2 months. Defrost in the fridge before baking.
  • Q: What if my filling is too runny after baking? A: Usually this means not enough thickener was used. Make sure to let the crisp rest for the full 10 minutes to set. If it’s still too runny, add an extra tablespoon of cornstarch next time, especially for juicy or mature rhubarb.
  • Q: How do I get a crunchy topping? A: Use very cold butter and work it well into your dry ingredients until you get a coarse crumb texture. Bake until golden brown. Don’t substitute buttery spread, and don’t rush the butter-cutting step!

A white rectangular dish holding cherry crumble with two scoops of vanilla ice cream on top.

Print
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A quick and forgiving rhubarb crisp dessert with a buttery oat topping, served warm with vanilla ice cream. Egg-free and made mostly with pantry staples, suitable for fresh or frozen rhubarb.

  • Total Time: 55-60 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • 4 cups sliced rhubarb (fresh or frozen)
  • 2 tablespoons cornstarch (plus extra if rhubarb is very juicy)
  • 1/2 cup sugar (plus extra if needed for tartness balance)
  • 1/2 teaspoon ground cinnamon (plus extra for topping)
  • 1/2 cup all-purpose flour
  • 3/4 cup quick oats or old-fashioned oats
  • 1/4 teaspoon salt
  • 6 tablespoons cold, diced unsalted butter
  • Butter for greasing a 2-quart casserole dish

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Slice rhubarb into pieces; if using frozen, measure while frozen, thaw fully, and drain excess liquid.
  3. In a large bowl, toss sliced rhubarb with cornstarch, sugar, and cinnamon until evenly coated. If rhubarb is very juicy, add an extra tablespoon of cornstarch and mix well.
  4. Butter a 2-quart casserole dish and transfer the rhubarb filling, smoothing it into an even layer.
  5. In a large bowl, combine flour, oats, sugar, cinnamon, and salt for the crumble topping.
  6. Add cold diced butter to the dry ingredients and use your hands to work it in until the mixture resembles chunky oatmeal-cookie dough.
  7. Sprinkle the crumble topping evenly over the rhubarb filling in the casserole dish.
  8. Bake for 40-45 minutes until the topping is golden brown and the filling bubbles at the edges.
  9. Remove from oven and let crisp rest on the counter for 10 minutes before serving.

Notes

Use old-fashioned oats for a coarser topping or pulse them a few times in a food processor for a finer texture., Add 1 to 1.5 cups of halved fresh strawberries to the rhubarb for a strawberry-rhubarb variation., Swap up to 1 pound of rhubarb with thin apple slices for an apple-rhubarb twist., Replace white sugar with light brown sugar or some sugar with pure maple syrup for flavor variation; reduce added liquid to avoid excess moisture., Add 1/2 cup chopped pecans or almonds to the topping for extra crunch., Stir in 1/2 teaspoon freshly grated ginger, 1/4 teaspoon cardamom, or 1 teaspoon lemon zest into filling for a fresh flavor twist., For gluten-free options, use a 1:1 gluten-free flour blend and certified gluten-free oats., Portion into small ramekins and shorten baking time for individual servings., Store leftovers covered at room temperature for 1-2 days or refrigerated for 3-4 days., Reheat portions in the microwave or warm the whole dish in a 350°F oven until heated through., For very juicy rhubarb, add extra cornstarch and let the crisp rest for 10 minutes after baking to thicken filling.

  • Author: Laura
  • Prep Time: 15 minutes
  • Cook Time: 40-45 minutes
  • Category: Dessert
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: Approx. 250 calories per serving (including typical serving with vanilla ice cream)
  • Fat: 8 g per serving
  • Carbohydrates: 40 g per serving
  • Protein: 3 g per serving

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Laura Bennett

ABOUT THE AUTHOR

Laura Bennett

Hi, I’m Laura Bennett, a home baker, recipe creator, and mom of two. I’m married to my husband Mark, and together we’re raising our kids, Emma and Lucas, who are always the first to test my latest baking experiments. Warm Baker started as a way to share the cozy, reliable recipes I make for my family every week — from soft breads and breakfast bakes to simple cookies that never last long in our house.

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