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Rhubarb Upside-Down Bars

Rhubarb Upside-Down Bars

Buttery vanilla cake bars baked over a caramelized rhubarb layer and flipped into glossy upside-down squares
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Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings 12

INGREDIENTS

Pan

  • nonstick cooking spray
  • parchment paper for lining.

Rhubarb Layer

  • 4 tbsp unsalted butter
  • 3/4 cup packed brown sugar
  • 3 cups rhubarb cut into 1/2 inch pieces
  • 1 tbsp lemon juice
  • 1/4 tsp salt
  • 1/2 tsp ground ginger optional.

Cake Batter

  • 1 1/2 cups all purpose flour
  • 1 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1/2 cup unsalted butter softened
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1/2 cup buttermilk or milk.

INSTRUCTIONS

Prep Pan And Rhubarb Layer

  • heat oven to 350 F and line a 9x13 inch pan with parchment leaving overhang then lightly grease
  • melt 4 tbsp butter and pour into pan then sprinkle brown sugar evenly
  • scatter rhubarb evenly over sugar layer then drizzle lemon juice and sprinkle salt and ginger if using.

Make Batter And Bake

  • whisk flour baking powder and salt
  • beat softened butter and granulated sugar until light then beat in eggs and vanilla
  • mix in dry ingredients alternating with buttermilk just until smooth
  • spread batter evenly over rhubarb layer and smooth the top
  • bake until golden and a toothpick in the cake portion comes out clean 35 to 45 minutes.

Cool And Invert

  • cool in pan 15 minutes then run a thin knife along edges
  • invert onto a parchment lined board or tray and lift off pan
  • cool completely before slicing into bars.

Notes

1. Use 1 to 2 cups sliced strawberries plus 1 to 2 cups rhubarb for a sweeter topping. If using frozen rhubarb thaw and drain well to reduce excess liquid. For clean slices chill the inverted slab 30 minutes before cutting. Store covered at room temperature 1 day or refrigerate up to 4 days

Nutrition

Calories: 230kcal | Carbohydrates: 36g | Protein: 3g | Fat: 9g