¼teaspoonplus a big pinch of saltomit the pinch if using salted butter
2teaspoonsvanilla extract
1cupall-purpose flour(130 grams)
⅔cupwhite chips
½cupchopped lightly salted peanuts
1cupdark chocolate chipsplus about ½ cup more (if needed)
1cupMini Reese's Peanut Butter Cups
½cupReese's Pieces or M&Msoptional
Instructions
Preheat oven to 350 degrees F. Line a 9x13 inch metal pan with foil and grease foil (or use parchment)
In a mixing bowl, beat the peanut butter, softened butter and sugar until smooth. By hand, stir in the eggs, salt and vanilla stirring just until mixed. Add the flour and stir just until mixed.
Stir in white chips, peanuts and a cup of the chocolate chips. Press firmly into pan.
Bake on center rack for 23-25 minutes or until center is set.
Remove from oven and Immediately scatter the halved Reese's Minis over the top. Sprinkle more chocolate chips (or Reese's Pieces) into the gaps.
Let cool at room temperature for about 10 minutes, then transfer pan to a larger pan (a roasting pan). Put ice water in the pan so that it comes about halfway up the sides. Let cool in pan.
Notes
For a half batch, use an 8 inch square metal pan and halve all the ingredients. That means 1 large egg plus 2 tablespoons beaten egg.