You may find Harissa chili paste on the International aisle, near the Indian foods and chili sauces, or perhaps in the condiment section. I'm sure homemade Harissa is delicious, but I don't have time to make my own paste! I've found there are several different brands available at the store. The one I like is Mina Brand, made by Casablanca Foods. Other popular brands are Cava Harissa and Trader Joe's Harissa. It comes in spicy and mild versions; however, this recipe uses the mild Mina Harissa, but I have used the spicy before, too! If some people in your family can't tolerate a lot of heat, use the mild Harissa paste. It's just as flavorful as the spicy version.