– 1 & 1/4 cups (150g) all-purpose flour – 3/4 teaspoon baking powder – 1/4 teaspoon salt – 1/2 cup (113g) unsalted butter, softened – 3/4 cup (150g) firmly packed light brown sugar – 1 large egg – 1 teaspoon vanilla extract – 3/4 cup + 3 tablespoons creamy cookie butter (1/2 cup for the cookie dough and the rest for the filling) – 1 cup (99g) old-fashioned rolled oat – 1/3 cup chopped semisweet chocolate – 1/3 cup chopped nuts (such as pecans, hazelnuts, etc.) – 1/3 cup sweetened dried cranberrie – more chocolate, nuts, cranberries, and/or oats for garnish