Salted Milk Chocolate and Peanut Butter Blondies

1. Preheat the oven to 350 degrees F. Grease a 9x13 inch baking dish.2. In a microwave safe mixing bowl, melt together the butter and 1/2 cup peanut butter on power level high, stirring every 30 seconds until melted. Stir in the brown sugar, sugar, eggs, and vanilla. Add the flour and baking powder. Transfer the bowl to the freezer and chill 5 minutes or until the dough is no longer warm to the touch. Stir in the chocolate chips. 3. Spread 1/2 the dough out in the prepared dish. Dollop and then gently swirl the remaining 1/4 cup peanut butter into the dough. Add the remaining dough overtop, don't worry if it does not fully cover the peanut butter. Transfer to the oven and bake for 20-22 minutes, just until set in the center. Remove from the oven and sprinkle the milk chocolate over the blondies. Return to the oven for 1-2 minutes to gently melt the chocolate. Sprinkle with sea salt. Let cool and then cut into bars. Store for up to 5 days in an airtight container.