Crunchy Chicken Salad over Croissants - Rosalie Serving

Ingredients

• 2 (12.5-ounce) cans chicken breasts, drained, or 2 cups cooked chicken, chopped small
• 1/2 celery, chopped small
• 2 to 3 tablespoons onion, chopped small
• 1 cup purple seedless grapes, left whole
• 1 cup pecans, left whole
• 1 cup mayonnaise
• 1/4 cup sour cream
• 1 tablespoon lemon juice
• 1 teaspoon sugar
• red or green curly lettuce leaves
• 12 large, or 15 small croissants
• clusters of purple grapes
• powdered sugar