Escarole and Tofu at Jade Garden (CC BY 2.0) by Gary Soup. Escarole is a leafy green vegetable and member of the chicory family, along with frisée, endive and Belgian endive. Sometimes called broad-leaved endive, escarole has broad, curly green leaves and a slightly bitter flavor. It can be eaten raw, grilled, sautéed, or cooked in dishes.