Baked spinach and eggs

Ingredients

• olive oil cooking spray
• 180 gram english spinach leaves, stems removed
• 1 tablespoon light olive oil spread
• 2 1/2 tablespoon plain flour
• 2 cup skim milk
• 1/2 cup grated reduced-fat tasty cheese
• 1/4 teaspoon ground nutmeg
• 6 eggs, at room temperature
• 4 green onions, finely chopped
• 1 pinch cayenne pepper
• 4 slices sourdough bread, toasted, lightly buttered, to serve