Preparation Blend together walnuts, roasted peppers, bread pieces, garlic paste, lemon juice, cumin, and cayenne in a food processor until as smooth as possible, about 1 minute. With motor running, add oil in a slow stream and blend until combined well. Season to taste with salt and additional lemon juice, as well as additional cayenne and minced garlic. Cooks' note:•Sauce can be made 3 days ahead and chilled, covered. Bring to room temperature before serving.
Preparation Blend together walnuts, roasted peppers, bread pieces, garlic paste, lemon juice, cumin, and cayenne in a food processor until as smooth as possible, about 1 minute. With motor running, add oil in a slow stream and blend until combined well. Season to taste with salt and additional lemon juice, as well as additional cayenne and minced garlic. Cooks' note:•Sauce can be made 3 days ahead and chilled, covered. Bring to room temperature before serving.