Warm Strawberry-Rhubarb Skillet Crumble with Vanilla

Why You’ll Love This Recipe

• Classic sweet-tart strawberry–rhubarb filling scented with vanilla and bright orange zest.
• Extra-toasty oat–almond crumble that bakes up crunchy, nubbly, and golden.
• One-skillet method: mix, top, and bake right in a 10-inch cast-iron pan.
• Served warm with cool cream for a beautiful hot-and-cold contrast.

Grocery List

• Produce: Rhubarb (1 lb), strawberries (1 lb), 1 orange
• Dairy: Unsalted butter, heavy cream
• Pantry: Old-fashioned rolled oats, all-purpose flour, sliced almonds, granulated sugar, light brown sugar, cornstarch, vanilla extract, ground cinnamon, fine salt

Full Ingredients

For the strawberry–rhubarb filling

• 1 lb (450 g) rhubarb stalks, trimmed and cut into 1/2-inch pieces
• 1 lb (450 g) strawberries, hulled and halved (quarter very large berries)
• 2/3 cup (130 g) granulated sugar
• 3 tbsp (24 g) cornstarch
• 1 tbsp finely grated orange zest
• 2 tbsp fresh orange juice
• 2 tsp pure vanilla extract
• 1/8 tsp fine sea salt

For the oat–almond crumble lid

• 1 cup (100 g) old-fashioned rolled oats
• 3/4 cup (95 g) all-purpose flour
• 1/2 cup (100 g) packed light brown sugar
• 1/2 cup (50 g) sliced almonds
• 1/2 tsp fine sea salt
• 1/2 tsp ground cinnamon
• 8 tbsp (113 g) unsalted butter, melted and cooled 2–3 minutes

To serve

• 2/3 cup (160 ml) cold heavy cream, for pouring
• Optional: extra orange zest for garnish

Step-by-Step Instructions

Step 1: Heat the oven and prep the skillet

Place a rack in the center of the oven and heat to 375°F (190°C). Lightly butter a 10-inch cast-iron skillet (or 2-quart oven-safe skillet/baking dish). Set the skillet on a rimmed sheet pan to catch any drips.

Step 2: Make the oat–almond crumble

In a medium bowl, combine the oats, flour, brown sugar, sliced almonds, salt, and cinnamon. Drizzle in the melted butter and stir with a fork until evenly moistened and clumpy—aim for pea-to-almond-size clusters. Refrigerate the bowl for 10 minutes while you prepare the filling; the brief chill helps the topping bake extra crisp.

Step 3: Mix the strawberry–rhubarb filling

In a large bowl, toss the rhubarb and strawberries with the granulated sugar, cornstarch, orange zest, orange juice, vanilla, and a pinch of salt until no dry streaks of cornstarch remain. Let the mixture stand for 5 minutes to begin releasing juices.

Step 4: Assemble in the skillet

Scrape the fruit and all accumulated juices into the prepared skillet and spread into an even layer. Sprinkle the chilled crumble evenly over the fruit, leaving a few small gaps so steam can escape and the fruit can bubble through.

Step 5: Bake until bubbling and golden

Bake 40–45 minutes, until the topping is deeply golden-brown and the fruit juices are bubbling thickly in the center (not just the edges). If the top is browning faster than the filling is bubbling, tent loosely with foil for the last 10 minutes.

Step 6: Rest and serve with cream

Transfer the skillet to a cooling rack and let the crumble rest for 15–20 minutes to thicken. Spoon into bowls and serve warm with a generous pour of cold heavy cream and a touch of fresh orange zest, if you like.

Pro Tips

• Cut rhubarb evenly into 1/2-inch pieces so it cooks at the same rate as the strawberries.
• For a thicker filling, use very level tablespoons of cornstarch and bake until the center bubbles—this activates the starch fully.
• Chilling the crumble for 10–15 minutes before baking helps it hold nubbly clusters and stay crisp.
• Seasonal sweetness varies: add 1–2 extra tablespoons of sugar if your rhubarb is very tart; reduce by 1–2 tablespoons if your strawberries are very sweet.
• Bake on a sheet pan for easy cleanup; sugary juices can bubble over near the end.

Variations

• Gluten-Free: Use a 1:1 gluten-free all-purpose flour blend in the topping and certified gluten-free oats.
• Nut-Free: Omit sliced almonds and replace with 1/3 cup (30 g) extra oats plus 2 tbsp flour; add 2 tbsp pumpkin or sunflower seeds for crunch, if desired.
• Ginger–Orange: Add 1 tbsp finely chopped crystallized ginger to the fruit and 1/4 tsp ground ginger to the topping for warm spice.

Storage & Make-Ahead

Store leftovers covered at room temperature for 1 day or refrigerated up to 4 days. Reheat in a 325°F (165°C) oven for 10–15 minutes to re-crisp the topping (avoid microwaving if you want it crunchy). Make-ahead: The crumble topping can be mixed up to 3 days ahead and refrigerated (or frozen up to 1 month). Toss the fruit up to 4 hours ahead without the cornstarch; stir in cornstarch just before baking.

Nutrition (per serving)

Approximate values for 1 of 8 servings (with cream): 420 calories; 24 g fat; 52 g carbohydrates; 5 g protein; 4 g fiber; 160 mg sodium; 28 g sugars.