Pummelo and Shrimp Salad

Pummelo, a giant citrus fruit now available in the U.S., has an enticing sweet and sour flavor. The flesh, unlike an orange or grapefruit, is easily separated into individual juice-filled sacs. Piles of these fruits populate markets all over Vietnam, especially during at peak of their season from September through November. Dipped in the spicy chili salt (muối tiêu), they are a typical Vietnamese snack.

To access the fruit inside these thick