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PB & J Blondie Bars with Marshmallow Meringue

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  • Author: Elizabeth Buuck
  • Prep Time: 20 min
  • Cook Time: 22 min
  • Total Time: 42 minutes
  • Yield: 16 Bars 1x

Description

Thick and fudgy peanut butter blondies topped with fluffy marshmallow meringue and a swirl of strawberry jam.


Ingredients

Scale

For the Peanut Butter Bars

  • 3/4 C (1 1/2 Sticks / 180 g) Salted Butter, melted
  • 1 C (185g) Light Brown Sugar
  • 1/2 C (100g) Granulated Sugar
  • 3/4 C (175g) Creamy Peanut Butter
  • 2 Lg Eggs, at room temperature
  • 2 tsp Pure Vanilla Extract
  • 2 C (250g) All Purpose Flour
  • 1 tsp Baking Powder

For the Marshmallow Meringue

  • 3 Egg Whites
  • 1/2 C (100g) Granulated Sugar
  • 1/2 tsp Pure Vanilla Extract
  • 1/4 C Strawberry Jam

 


Instructions

For the Peanut Butter Bars

  • Preheat the oven to 350 and line an 8″ square baking pan with parchment paper.
  • In a large bowl, whisk the melted butter, granulated sugar, and brown sugar until well combined.
  • Whisk in the peanut butter, followed by the eggs and vanilla.
  • Using a rubber spatula, fold in the flour and baking powder.
  • Press the dough into an even layer in the prepared pan.
  • Bake at 350 for 22-24 minutes. Let bars cool completely.

For the Marshmallow Meringue

  • In a double boiler or a glass bowl over a saucepan with a few inches of water over medium heat, add the egg whites and sugar.
  • Cook while stirring constantly until the mixture becomes opaque and the sugar dissolves. Test this by rubbing a small amount between your fingers – it should be completely smooth.
  • Add the egg white mixture to the bowl of a stand mixer with the whisk attachment. Whip until stiff peaks form.
  • Whisk in the vanilla until combined.
  • Spread the meringue onto the cooled peanut butter bars.
  • Swirl the strawberry jam into the meringue.
  • Use a kitchen torch to toast the meringue.
  • Slice and serve.

Notes

  • Bars can be left at room temperature for 8-10 hours, but then it’s best to refrigerate to avoid the meringue wilting.
  • You can also bake these in a 9″ square pan. Reduce the bake time to 18-20 minutes.