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Amish Oatmeal Rhubarb Bars

Amish Oatmeal Rhubarb Bars

These Amish Oatmeal Rhubarb Bars combine a buttery oat crust with a tangy-sweet rhubarb filling—perfect for spring and summer gatherings.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings 16 bars
Calories 210 kcal

Ingredients
  

  • 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
 

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