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Amish Oatmeal Rhubarb Bars

Amish Oatmeal Rhubarb Bars


  • Total Time: 50 minutes
  • Yield: 16 bars 1x

Description

These Amish Oatmeal Rhubarb Bars combine a buttery oat crust with a tangy-sweet rhubarb filling—perfect for spring and summer gatherings.


Ingredients

Scale
  • 1½ cups rolled oats
  • 1 cup all-purpose flour
  • 1 cup brown sugar (packed)
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • ½ cup unsalted butter (melted)
  • 1 cup rhubarb (chopped)
  • ½ cup granulated sugar
  • 1 tablespoon cornstarch
  • 1 tablespoon lemon juice
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat oven to 350°F (175°C). Grease or line an 8x8-inch baking dish.
  2. In a large bowl, combine oats, flour, brown sugar, baking soda, and salt.
  3. Add melted butter and mix until crumbly. Reserve ½ cup for topping.
  4. Press remaining mixture into the bottom of the prepared pan.
  5. In a saucepan, combine rhubarb, granulated sugar, cornstarch, lemon juice, and vanilla. Cook over medium heat until thick and jammy (5–7 minutes).
  6. Spread rhubarb mixture over crust. Crumble reserved oat mixture on top.
  7. Bake for 25–30 minutes or until golden and bubbly.
  8. Cool completely before slicing into bars.

Notes

  • You can add chopped strawberries or raspberries for a twist.

  • For a nutty finish, mix chopped pecans or walnuts into the topping.

  • Store in the fridge up to 5 days, or freeze up to 2 months.

  • Prep Time: 20 minutes
  • Cook Time: 30 minutes

Nutrition

  • Calories: 210