Springtime Layered Spinach Salad

Ingredients

• 1/2 head iceberg lettuce
• 1 (10 ounce) bag fresh spinach
• 4 hardboiled egg, chopped
• 1 bunch chopped green onion (tops too)
• 1 lb crisp cooked bacon, crumbled
• 1 (10 ounce) package frozen peas, thawed
• 2 teaspoons sugar
• salt and pepper
• 1 cup grated swiss cheese
• 1 (7 ounce) can water chestnuts, sliced
• 1 large tomatoes, chopped
• Dressing
• 1 1/2 cups sour cream
• 1 1/2 cups mayonnaise