May 10, 2024

Easy Rhubarb Custard Bars

The month of May signifies the opening of Johnson Island on Burntside Lake. The month of May also means rhubarb pies, rhubarb syrup for gin and tonics, and rhubarb custard bars (we are in Minnesota don’t ya know).

If you don’t have your own rhubarb plant, you surely have a friend, neighbor or family member with one, and you should get your hands on some stalks to make all things rhubarb because the season doesn’t last long. Start with these tasty rhubarb custard bars and then explore all kinds of rhubarb recipes.

Next up, be sure to try my rhubarb cookies recipe!

Rhubarb Custard Bars

Easy Rhubarb Custard Bars

These tasty rhubarb custard bars have only a few ingredients and are crazy easy to make.



  • 2 cups all-purpose flour
  • 3/4 cup powdered sugar
  • 1 c butter, room temperature
  • 1-1.5 tsp vanilla extract


  • 4 eggs, room temperature
  • 2 cups sugar
  • 1/2 cup all-purpose flour
  • 1 1/2 tsp salt
  • 4 cups rhubarb, chopped into 1/4 to 1/2-inch pieces


  1. Preheat oven to 350°F.
  2. In a bowl or a food processor mix crust ingredients keeping the butter in pea-size chunks. Press crust into a greased 9 x 13-inch pan. Bake for 15 minutes and remove from the oven.
  3. While the crust is baking, beat together the filling ingredients: eggs, sugar, flour, and salt. Stir in rhubarb.
  4. Spoon mixture onto crust. Bake for 45 minutes.
Check out all my dessert recipes here.

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