sam the cooking guy on Instagram: "30 Days of 3 Ingredient Recipes Day 15 PEANUT BUTTER COOKIES 1 cup smooth peanut butter 1 cup sugar 1 large egg • Preheat oven to 350 • Mix peanut butter, sugar, and egg in a bowl until smooth • Scoop tablespoon-sized balls onto a parchment lined baking sheet • Flatten with a fork in a crisscross pattern • Bake 9–10 minutes until edges are set • Let cool a bit before eating…if you can"