Preparation Blend harissa, red-pepper flakes, salt, and cumin in a food processor until puréed. Add oil and blend until incorporated. Cooks' note:Harissa can be made 1 week ahead and chilled, covered.
Preparation Blend harissa, red-pepper flakes, salt, and cumin in a food processor until puréed. Add oil and blend until incorporated. Cooks' note:Harissa can be made 1 week ahead and chilled, covered.