Peanut Butter and Jelly Bars

INGREDIENTS

1/2 lb

unsalted butter, at room temperature

1 1/2 cups

sugar

1 tsp

pure vanilla extract

large eggs, at room temperature

1 cup

chunky peanut butter (I used Jiff)

1 cup

creamy peanut butter (I used Jiff)

3 cups

all-purpose flour

1 tsp

baking powder

1 1/2 tsp

kosher salt

1 1/2 cups

blackberry jam or other jam (I usually add in about 1/4 cup more)

1/2 cup

salted peanuts, coarsely chopped