Rhubarb Custard Bars Recipe
These rhubarb custard bars feature a buttery shortbread crust, a tangy-sweet rhubarb custard center, and a luscious whipped cream cheese topping. Each bite delivers a creamy, tart, and slightly crisp contrast—perfect for spring gatherings or anytime you crave a vibrant, old-fashioned dessert with a refreshing twist.
Prep Time 20 minutes mins
Cook Time 55 minutes mins
Additional Time 30 minutes mins
Total Time 1 hour hr 45 minutes mins
Course Dessert
Cuisine American
Servings 30 people
Calories 251 kcal
- 1 cup cold butter cut into cubes
- 5 cups finely chopped rhubarb
- 1 container frozen whipped topping such as Cool Whip, thawed
- 2 cups all-purpose flour
- 1 tsp vanilla extract
- 1 package cream cheese softened
- 2 ¾ cups white sugar divided
- 1 cup heavy whipping cream
- 3 eggs
- 7 tbsp all-purpose flour
Preheat oven to 350°F (175°C).
In a mixing bowl, combine 2 cups flour and 1/4 cup sugar.
Cut in butter using a pastry cutter or forks until the mixture resembles coarse crumbs.
Press mixture into a 9x13-inch baking dish to form the crust.
Bake the crust for about 10 minutes, or until lightly browned.
In another bowl, stir together 2 cups sugar and 7 tablespoons flour.
Whisk in heavy whipping cream and eggs until the mixture is smooth.
Evenly spread chopped rhubarb over the warm crust.
Pour the egg mixture over the rhubarb layer.
Bake again for about 45 minutes, or until the custard is set ander it cool.
In a separate bowl, beat together cream cheese, remaining 1/2 cup sugar, and vanilla extract until smooth and creamy.
Fold in the whipped topping gently until combined.
Spread the cream cheese mixture over the cooled rhubarb custard layer.
Refrigerate until chilled and ready to serve.
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Fresh rhubarb works best, but frozen rhubarb can be used if it's well-drained to avoid watering down the custard.
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For cleaner cuts, use a hot, clean knife and wipe it between slices.
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Make sure the custard layer is fully set in the center before removing from the oven; it should jiggle slightly but not slosh.