"These cookies bring back the memory of those malteds. Instead of syrup, I use freshly ground espresso beans (although instant espresso or coffee works) and unflavored malt powder — you can find it in supermarkets — which gives the cookies a warm, mildly vanilla taste. These are chewy and their look is humble. Don’t be tempted to bake them until set; they set outside the oven. Overbake these cookies, and they’ll still taste good, but you’ll lose their moist chewiness. These are so good with a swipe of dulce de leche...."