Step 1

LIne a 9 x 9 pan with foil or parchment paper and set aside.

Step 2

Put the butter, brown sugar, and milk in the Instant Pot then set to saute. Stir constantly until the mixture comes to a boil. Once at a boil, let alone to boil for two minutes.

Step 3

Remove the Instant Pot liner to a protected surface like a stove or cutting board/counter top with an oven mitt underneath. Stir in vanilla and peanut butter until melted.

Step 4

Add confectioners sugar until combined and smooth. Pour into prepared pan, and allow to completely cool.

Step 5

Once cooled, remove from pan and cut into roughly 1 1/2" squares.

Step 6

Store in an airtight container, plastic bag, or wrap in plastic plastic wrap on the counter or in the refrigerator for up to two weeks. Can be frozen for up to six months wrapped individually or as a slab in plastic.