2 1/2 pounds cooked medium shrimp, peeled, deveined
24 cooked crab claws
Directions
Combine sour cream, mayonnaise, fresh lime juice, green onions, jalapeños, chili powder and dry mustard in medium bowl. Season to taste with salt. (Can be prepared 2 days ahead. Cover and refrigerate.)
Cut hearts of palm, tomatoes and avocados into 1-inch pieces. Combine in medium bowl. Mix vegetables with just enough dressing to coat lightly. Line large platter with lettuce leaves. Mound vegetables in center. Surround with shrimp and crab. Serve remaining dressing on side.