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Rhubarb Custard Bars
- Preheat your oven to 350°F (175°C) . Line an 8×8-inch baking pan with parchment paper, leaving some overhang for easy removal. Lightly grease the parchment paper.
Step 2: Make the Shortbread Crust
- In a mixing bowl, combine the flour, softened butter, sugar, and a pinch of salt. Use your fingers or a pastry cutter to mix until the dough comes together in a crumbly texture.
- Press the dough evenly into the bottom of the prepared pan to form the crust.
- Bake the crust for 15–18 minutes , or until lightly golden around the edges. Remove from the oven and let it cool slightly while you prepare the filling.
Step 3: Make the Rhubarb Filling
- In a medium saucepan, combine the diced rhubarb, sugar, and water. Cook over medium heat, stirring occasionally, until the rhubarb softens and breaks down, about 8–10 minutes .
- In a small bowl, whisk the cornstarch with 2 tablespoons of cold water to create a slurry. Stir the slurry into the rhubarb mixture and cook for another 2–3 minutes , until thickened. Remove from heat and set aside to cool slightly.
Step 4: Make the Custard Layer
- In a mixing bowl, whisk together the eggs, sugar, flour, and vanilla extract until smooth and well combined.
Step 5: Assemble the Bars
- Spread the cooled rhubarb filling evenly over the baked crust.
- Pour the custard mixture over the rhubarb layer, spreading it gently to cover the filling completely.
Step 6: Bake Until Set
- Bake the bars for 30–35 minutes , or until the custard layer is set and the top is lightly golden. A toothpick inserted into the center should come out clean or with a few moist crumbs.
- Remove from the oven and let the bars cool completely in the pan on a wire rack.
Step 7: Chill and Slice
- Once cooled, refrigerate the bars for at least 2 hours (or overnight) to allow them to set fully.
- Use the parchment paper overhang to lift the bars out of the pan. Cut into squares or rectangles for serving.
Why You’ll Love This Recipe:
- Layers of Flavor: The buttery crust, tangy rhubarb, and creamy custard create a perfect balance of textures and tastes.
- Seasonal Treat: Rhubarb shines in this recipe, making it a great way to celebrate spring’s bounty.
- Make-Ahead Friendly: These bars can be made a day ahead and stored in the fridge, making them ideal for entertaining.
Tips for Success:
- Choose Fresh Rhubarb: Look for firm, bright red or pink stalks for the best flavor and color. Avoid overly green rhubarb, which can be too tart.
- Don’t Skip Cooling: Allow the rhubarb filling to cool slightly before assembling to prevent the layers from blending.
- Add a Glaze (Optional): Mix powdered sugar with a little milk or lemon juice to create a drizzleable glaze for extra sweetness and visual appeal.
Ways to Enjoy Your Rhubarb Custard Bars:
- For Dessert: Serve chilled or at room temperature with a dollop of whipped cream or a scoop of vanilla ice cream.
- At Gatherings: Bring them to potlucks or brunches—they’re always a hit!
- As a Gift: Package them in decorative boxes or tins for thoughtful homemade gifts.
- Meal Prep: Store leftovers in an airtight container in the fridge for up to 4 days.
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