Preheat oven to 350ºF (177ºC). Line a baking sheet with a parchment paper or a silicone baking mat. Set aside.
In a medium size bowl, whisk together the flour, baking soda, baking powder, and salt. Set aside.
1 cup + 2 Tablespoons (135g) all-purpose flour, ½ teaspoon baking soda, ¾ teaspoon baking powder, ½ teaspoon salt
In a separate medium size bowl with a hand held mixer or the bowl of a stand mixer fitted with a paddle attachment, cream together the butter and brown sugar on medium speed. Scrape down the sides and bottom of the bowl with a spatula. Add the egg and vanilla extract, and beat again on medium speed until everything is combined and no lumps remain.
¼ cup (57g) unsalted butter, ½ cup + 2 Tablespoons (112g) firmly packed light brown sugar, 1 large egg, ½ teaspoon vanilla extract
With the mixer on low, slowly add the dry ingredients to the wet ingredients in 2 additions, mixing thoroughly after each addition. Add the butterscotch chips and mix again on low until evenly dispersed.
¾ cup (128g) butterscotch chips
Using a cookie scoop (I use this #50 cookie scoop for all of my standard size cookies), drop rounded balls onto baking sheet. Bake for 10-12 minutes until sides just begin to brown (mine took exactly 11 minutes). Remove from oven and allow to cool on the baking sheet for 1-2 minutes before transferring to a wire rack to cool completely. Cookies stay fresh in an airtight container at room temperature up to 1 week. Baked cookies may be frozen up to 2 months. Rolled cookie dough can be frozen, up to 2 months. Bake frozen on baking sheet for 11-13 minutes.
Notes
Nutritional information: all nutritional values are approximate.Adapted from Andes Mint Cookies
Nutrition Disclosure
All nutritional values are approximate and provided to the reader as a courtesy. Changing ingredients and/or quantities will alter the estimated nutritional calculations.