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Rhubarb Crumb Bars with Buttery Oat Topping

Rhubarb Crumb Bars with Buttery Oat Topping

  • Author: Charlotte
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 12 bars 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

Buttery, golden crumb bars layered with tart rhubarb filling and topped with a crisp oat crumble. A cozy springtime dessert that’s as easy as it is delicious.


Ingredients

Scale
  • 2 cups all-purpose flour
  • 1 ½ cups rolled oats
  • 1 cup granulated sugar
  • ½ cup brown sugar
  • 1 cup unsalted butter, cold and cubed
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • 4 cups rhubarb, chopped
  • 2 tablespoons cornstarch
  • 1 teaspoon vanilla extract
  • 1 tablespoon lemon juice

Instructions

  1. Preheat Your Equipment: Preheat oven to 350°F (175°C) and line a 9×13 pan with parchment paper.
  2. Combine Ingredients: In a large bowl, mix flour, oats, sugars, baking powder, and salt. Cut in butter until crumbly.
  3. Prepare Your Cooking Vessel: Press two-thirds of mixture into the bottom of the pan.
  4. Assemble the Dish: Toss rhubarb with cornstarch, sugar, vanilla, and lemon juice. Spread evenly over crust.
  5. Cook to Perfection: Sprinkle remaining crumb mixture over rhubarb layer.
  6. Finishing Touches: Bake 40–45 minutes until topping is golden and filling is bubbly.
  7. Serve and Enjoy: Cool completely before cutting into bars.

Notes

  • For extra crunch, add chopped nuts to the topping.
  • Frozen rhubarb works, but thaw and drain well before use.
  • Dust bars with powdered sugar before serving for a bakery-style touch.

Nutrition

  • Serving Size: 1 bar
  • Calories: 285
  • Sugar: 21g
  • Sodium: 120mg
  • Fat: 12g
  • Saturated Fat: 7g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 2g
  • Protein: 3g
  • Cholesterol: 30mg

Keywords: rhubarb crumb bars, oat topping dessert, rhubarb recipes, easy spring dessert, fruit bars