Makes about 2 dozen1 large egg white Pinch coarse salt 1 cup toasted salted pistachios, finely chopped (about 4 1/2 ounces) 1 cup packed light-brown sugar 1 tablespoon all-purpose flour 1/2 teaspoon fresh lemon juice
Preheat oven to 325 degrees. Put egg white and salt in the bowl, mix medium-high speed until stiff peaks form. Reduce speed to medium; mix in nuts and sugar, then flour and lemon juice.
Using an ice cream scoop or tablespoon, drop dough onto baking sheets lined with parchment paper, spacing 2 inches apart. Bake cookies, rotating sheets halfway through, until edges are golden, 10 to 12 minutes. Let cool on sheets. Cookies can be stored between layers of parchment in airtight containers at room temperature up to 3 days.