Southern Picnic Layered Salad

Ingredients

• 2 heads iceberg lettuce, chopped
• 8 ounces fresh baby spinach, washed and dried
• salt, to taste
• pepper, to taste
• 8 hard-boiled eggs, chopped
• 16 ounces bacon, cooked and chopped
• 4 tomatoes, chopped
• 1 bunch green onions, thinly sliced
• 8 ounces cheddar cheese, grated
• 1 (10-ounce) bag frozen peas, partially thawed
• 1/2 cup mayonnaise
• 1/2 cup sour cream
• 1 tablespoon sugar, plus more to taste
• fresh dill, to taste, chopped