Good-Cooking - Overnight Layered Green Salad

Ingredients

• 1 small head iceberg lettuce,
• torn into bite-size pieces
• 1 small head romaine lettuce,
• 1/2 pound bacon, cooked and crumbled
• 1 small purple onion, chopped
• 1 (10 ounce) package frozen English peas, thawed
• 1 medium-size sweet red pepper, chopped
• 1 (8 ounce) can sliced water chestnuts, drained
• 1 cup shredded sharp Cheddar cheese
• 3/4 cup mayonnaise
• 3/4 cup sour cream
• Garnish: sweet red pepper rings