Preheat oven to 325 degrees.

Spray 8x8 glass baking dish with cooking spray- set aside

In mixer bowl- combine butter, confectioners sugar, vanilla, flour & salt. Beat until well combined. Should look moist but not creamy

Fold in peppermint bits.

Transfer to your prepared baking dish. Press down with fingers to flatten & spread out into dish.

Bake until firm & pale golden color. 35-40 minutes

Let cool on wire rack about 30 minutes before cutting & transferring to airtight container or serving.