If you love the sweet-tart bite of rhubarb and the silky richness of custard, then these Rhubarb Custard Bars belong in your baking rotation. With a buttery shortbread base, a creamy rhubarb custard filling, and a whipped cream cheese topping, this layered dessert delivers on texture, flavor, and nostalgia.
Perfect for spring gatherings, Sunday brunch, or a make-ahead treat to enjoy with coffee, these bars bring a bakery-worthy finish to your kitchen without the fuss.
Why I Love This Recipe
These bars are a delightful contrast of crisp crust, velvety filling, and light-as-air topping. The rhubarb adds just the right amount of tartness to cut through the richness, while the custard and cream cheese topping keep each bite luscious and smooth.
Bonus? They slice beautifully and store well, making them perfect for sharing or saving a sweet moment for later.
🧾 Ingredients You’ll Need
For the Base:
- 2 cups all-purpose flour
- ¼ cup sugar
- 1 cup cold butter
For the Filling:
- 2 cups sugar
- 7 tablespoons all-purpose flour
- 1 cup heavy whipping cream
- 3 large eggs, beaten
- 5 cups finely chopped rhubarb (fresh or thawed frozen)
For the Topping:
- 6 oz cream cheese, softened
- ½ cup sugar
- ½ teaspoon vanilla extract
- 1 cup heavy whipping cream, whipped
🛠️ Ingredient Tips & Swaps
- Butter: Use cold, unsalted butter for the best crumbly base.
- Rhubarb: Frozen rhubarb works great—just be sure to thaw and drain well.
- Cream cheese topping: Whip the cream to stiff peaks before folding into the cream cheese for a fluffy texture.
👩🍳 How to Make Rhubarb Custard Bars
Step 1: Make the Base
Preheat oven to 350°F (175°C). In a bowl, mix flour and sugar, then cut in cold butter until coarse crumbs form. Press evenly into a greased 13×9-inch pan.
Bake for 10 minutes, then set aside.
Step 2: Prepare the Filling
In a separate bowl, combine sugar and flour. Whisk in cream and beaten eggs until smooth. Fold in the chopped rhubarb.
Pour the mixture over the partially baked crust.
Step 3: Bake Again
Bake for 40–45 minutes, or until the custard is just set. Cool completely in the pan.
Step 4: Make the Topping
Beat softened cream cheese, sugar, and vanilla until smooth. Fold in whipped cream until fluffy.
Step 5: Finish the Bars
Spread the topping evenly over the cooled custard. Cover and refrigerate for at least 2 hours.
Step 6: Slice and Serve
Cut into bars and serve chilled. Store leftovers in the refrigerator.
🌟 Tips for Success
- Don’t skip chilling—it helps the custard and topping set perfectly.
- Use a serrated knife for cleaner cuts through the layers.
- Add a dusting of powdered sugar or fresh berries before serving for extra flair.
🍽️ Serving & Pairings
These bars shine on their own, but you can pair them with:
- A hot cup of tea or espresso
- A dollop of whipped cream or scoop of vanilla ice cream
- Fresh strawberries or raspberries for garnish
Want to round out your dessert table? Pair these with:
- This Big Family Banana Pudding
- These Caramel Apple Pie Cookies
- These Easy Pumpkin Spice Muffins
- This Pumpkin Delight Dessert
- These Old School No-Bake Cookies
🧊 Storage Tips
- Fridge: Store in an airtight container for up to 4 days.
- Freezer: Freeze unfrosted bars for up to 2 months. Add topping after thawing for best texture.
Final Thoughts
These Rhubarb Custard Bars are the kind of dessert that brings back memories of grandma’s kitchen while holding their own at any modern gathering. Tangy, creamy, and just the right amount of indulgent, they’re a seasonal classic you’ll want to bake year after year.
Tried them? Tag @chefmaniac with your beautiful bar bakes! And don’t forget to subscribe for more buttery bases, fruity fillings, and chill-and-slice dessert favorites.
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