When I stumbled upon the recipe for these pistachio smash cookies, I wasn’t sure what I had found. During one of my spontaneous urges to deep clean the house in the early months of the pandemic, I rediscovered a box of old family recipes tucked away in the laundry room. I hadn’t looked through the box in over 18 years, but I figured now was the right time to take a trip down memory lane (at the very least, I thought, it would help me avoid another afternoon of doomscrolling). Eight recipes in the box intrigued me; all were cookies that included the word “smash” in their name, followed by a year. They were all signed by my great-grandma Nannie Watts. The first of the eight recipes was dated 1932 and the last was from 1972. The cookies, with vaguely measured ingredients, never included butter, eggs, or flour. The curt …