3/4 c. mayonnaise
Grated peel and juice of 1/2 lemon
2 (7 oz.) cans each tuna, drained, chunked
1 c. grapes, cut in half, seeded
4 Valencia oranges, peeled, cut in bite-size pieces, drained
1 red apple, unpeeled, cut in bite-size pieces
1/2 c. chopped walnuts
Salad greens and lemon wedges

Combine mayonnaise, lemon peel and juice. Stir in tuna, grapes, oranges, apples and walnuts. Chill. Serve on salad greens; top with lemon wedges. Makes 6 servings.