Created by LindasBusyKitchen on November 25, 2011
Step 1: In a heavy cast iron pan, on medium-high heat, bring to a boil the sugar, brown sugar and milk, and boil for 5 minutes.
Step 2: Take off the stove, and add the peanut butter, marshmallow fluff, vanilla, butter or margarine, and walnuts.
Step 3: Stir well, and put into 2 8x8 inch pans.
Step 4: Let cool, and then with a sharp knife, cut into 2 inch squares.
Step 5: Store in a plastic container with cover.
Step 6: These can be refrigerated.