2 whole boneless, skinless chicken breasts (about 1 lb.)
1 tbsp. lemon juice
2 c. seedless grapes
2 scallions, thinly sliced
1/2 c. coarsely chopped walnuts
1/4 c. mayonnaise
1/4 c. plain yogurt
1 tsp. curry powder
Leaf lettuce

Cook chicken - sprinkled with lemon juice - (can be microwave). Chill and cube. Combine all ingredients and gently fold. Arrange lettuce and salad. Serves 4.