Chubby Hubby Cookie Bars

INGREDIENTS

For the Cookie Base::

1 1/2 sticks

unsalted butter, at room temperature

1 1/4 cups

packed light brown sugar

2 tbsp

milk

large egg

1/2 tsp

vanilla extract

1/4 cup

malted milk powder

1 1/2 cups

all purpose flour

1/2 tsp

kosher salt

3/4 tsp

baking soda

For the Filling::

1 can

sweetened condensed milk

2 tbsp

unsalted butter

12 oz

milk or semisweet chocolate chips

1/4 cup

creamy peanut butter

chocolate covered pretzel twists