Low Calorie Seven Layer Salad

• 4 scallions
• 2 bunches of spinach
• 1 head of lettuce
• 250 gr peas (frozen)
• 120 gr crumbled turkey bacon
• 120 ml water chestnuts (sliced)
• 110 gr low fat cheddar (grated)
• 2 slices eggs (hard boiled)