1 red grapefruit, supremed, sections halved
1 green onion, finely chopped (greens only)
1/4 cup chopped black olives
2 tablespoons grapefruit juice
1/2 teaspoon sugar
2 tablespoons olive oil
Kosher salt and freshly ground black pepper
Place the celery, celery leaves, grapefruit, green onions and olives in a medium bowl. In a small bowl, whisk together the grapefruit juice and the sugar. Drizzle in the olive oil, whisking. Add salt and pepper to taste, and pour over the salad. Toss, taste and adjust with salt, if needed.