Here is your basic brownie recipe that is perfectly chocolatey and can be thrown together in minutes. Scroll down to see instructions on making brownie mix(es) ahead of time and storing them away for a rainy day or for when unexpected company arrives.. As with any brownie mix, this recipe is perfect for improvising and adding extras. Chocolate chunks, peanut butter chips, white chocolate chips, nuts, marshmallows, frosting etc... are all welcome mix-ins and toppings for this recipe.