Chocolate Peanut Butter Chip Cookies - adapted from Annie's Eats
2 cups bittersweet chocolate chips
6 tbsp. unsalted butter
1 cup sugar
1/3 cup all-purpose flour
½ tsp. baking powder
1 cup semi-sweet chocolate chips
1 cup peanut butter chips
In microwave, melt bittersweet chocolate chips and butter 30 seconds at a time, stirring between intervals, until melted.
In a bowl, beat eggs and sugar until thick; stir into chocolate mixture. In a small bowl, stir together flour and baking powder; stir into chocolate mixture.
Gently mix in semi-sweet and peanut butter chips. Refrigerate dough for at least one hour.
Heat the oven to 375°. Drop by tablespoonful 1 ½ inches apart on greased or parchment-lined cookie sheet.
Bake 12-14 minutes or until shiny crust forms on top but interior is still soft. Cool on baking sheet.