These are grown-up oatmeal cookies. Because they are so fragile, some will inevitably break, and when they do, crumble them over ice cream.
Stir together in a medium bowl until well blended:
Stir in:
Refrigerate the batter for 1 hour.
Preheat the oven to 400°F. Line 2 baking sheets or cookie sheets with parchment paper or silicone liners.
Drop the batter by the teaspoon onto the baking sheets and bake 1 sheet at a time, rotating the sheet halfway through, until golden brown, 10 to 12 minutes. Let cool completely on the sheet on a wire rack.