Mix your own harissa paste at home. To do this, you need to mix harissa with water and cover with oil. UsageHarissa gives a taste kick to tomato soups, stews and oriental rice dishes. Harissa can be easily and quickly stirred into a ready-to-eat paste. Simply pour in a little hot water, let it cool briefly and refine it with olive oil. Haya ́'s tip: Mix the oven pumpkin with harissa paste and puree. A wonderful spread for bread or pita in winter! TasteHarissa is characterized by its balanced ratio of sweet-tasting pepper flakes in combination with fiery hot chili flakes. The coriander seeds give the whole spice the slightly fresh note and round off the spice.