Ingredients

• 1/2 pound (2 sticks) unsalted butter, at room temperature
• 2 cups sugar
• 1 large egg
• 10 lemons, zested
• 4 limes, zested
• 2 oranges, zested
• 2 1/2 cups all-purpose flour
• 1 1/4 teaspoons kosher salt
• 1/2 teaspoon baking powder
• 1/4 teaspoon baking soda
• Lemon Granola (optional)

Instructions

1. 1. Preheat the oven to 375°F.
2. 2. Combine the butter and sugar in the bowl of a stand mixer fitted with the paddle attachment and cream on high until homogenous, about 3 minutes. Add the egg and all of the citrus zests and mix until just combined, about 1 minute.
3. 3. Add the flour, salt, baking powder, and baking soda, mixing until just combined, about 30 seconds. Mix in the granola, if using.
4. 4. Portion 2 3/4-ounce scoops of dough 2 to 3 inches apart onto a greased or lined baking sheet. Bake the cookies for 9 to 10 minutes, until light golden brown. Cool completely on the pan.