Rhubarb Crisp

Rhubarb Crisp

Make Rhubarb Crisp now: bake a warm Rhubarb Crisp with crunchy oat topping and vanilla ice cream.

Prep Time15 minutes
Cook Time35 minutes
Total Time50 minutes
Yield6

Ingredients

Instructions

Step 1: Preheat the oven

Preheat the oven to 375°F so it's ready when the crisp is assembled—this simple first step ensures the topping browns and the rhubarb juices bubble properly while you finish the prep. Take a moment to line up your rectangular baking dish on the painted white surface so everything flows smoothly.

Step 2: Rinse and cut the rhubarb

Rinse the rhubarb stalks under cool water to remove any dirt, discard the leaves, then slice the stalks into roughly ½-inch pieces (or ¾-inch for very thin stalks). Place both whole stalks and a neat pile of cut pink-and-green pieces in a shallow bowl so you can see the crisp, fibrous texture and the fresh, glossy cut edges.

Step 3: Toss the filling and transfer to the baking dish

In a medium bowl, gently toss the cut rhubarb with ⅔ cup granulated sugar, 3 tablespoons all-purpose flour, and ½ teaspoon cinnamon until the pieces are evenly coated and slightly glossy from the sugar—this is the moment the fruit begins to release its bright juices. Scrape that mixture into the rectangular baking dish, spreading it to an even layer so pockets of pink juices are visible across the base.


Step 4: Make the crumb topping

In a separate bowl, combine ¾ cup rolled oats, ¾ cup packed brown sugar, ⅓ cup flour, ½ teaspoon cinnamon and ⅓ cup butter; use a fork or pastry cutter to work the butter in until the mixture clumps into coarse, golden clusters studded with oats and coconut flakes (or chopped nuts) if using. The topping should be moist enough to hold loose clusters but still visibly crumbly and oat-rich.

Step 5: Assemble and bake

Evenly scatter the oat crumb topping over the rhubarb so some pink fruit peeks through, then slide the rectangular dish onto your prepared surface and bake for 30–35 minutes until the filling is bubbling at the edges and the topping is deep golden-brown with toasted oat texture. You’ll notice fragrant cinnamon and caramelized sugar notes as the topping crisps.

Step 6: Cool briefly and serve

Allow the baked crisp to cool on the white painted surface for at least 10 minutes so the juices settle, then serve warm straight from the same rectangular dish with a generous scoop of vanilla ice cream on top—the ice cream will melt slightly into glossy ribbons of rhubarb syrup. Enjoy with a fork placed nearby for scooping.


Notes