Preheat oven to 350°. In a large bowl, cream butter and sugars until light and fluffy, 5-7 minutes. Beat in eggs and vanilla. In another bowl, whisk flour, baking powder, baking soda and salt ...

Bake the cookies for 11-13 minutes, or until they have spread out, have an even consistency throughout, and have a lightly glossy sheen. Cool the cookies on the cookie sheet for five minutes.

Rott, Pierce discovered, was making the cookies with Andes Creme De Menthe Thins. ... Mint Surprise Cookies. Yield: 4 1/2 dozen 2 inches across.

— Top evenly with chocolate chips and Andes Mints. — Pour condensed milk over dough and top with broken pieces of Thin Mint cookies. — Bake for 30-35 minutes, until baked through.