Place Krusteaz Professional Fudge Brownie Mix, peanut butter, water and peanuts in mixer bowl. If using Ready to Bake Brownie Batter, DO NOT add water.
Using a paddle, mix on low speed 30 seconds. Scrape bowl and paddle. Continue to mix on low speed for an additional 30 seconds.
Using #40 scoop, drop dough 2-inches apart onto prepared baking sheet. Flatten cookie dough with fork dipped in sugar to form a criss-cross pattern.
For convection oven, bake at 300°F 10-12 minutes; for standard oven, bake at 350°F 14-16 minutes.