Ingredients Ingredient Checklist 1 medium red onion, thinly sliced 1 cup white-wine vinegar 2 tablespoons sugar 2 oranges 2 pink or red grapefruit 1 clove garlic, minced ¼ teaspoon salt ¼ cup extra-virgin olive oil 4 cups packed torn escarole leaves 4 cups torn radicchio 1 cup fresh parsley leaves 1 cup shredded Manchego or […]