Heat 1 tablespoon of oil in a frypan over medium heat; add mushrooms, garlic and spring onion. Cook for a few minutes. Add spinach leaves and cook until spinach has wilted. Remove from pan and set aside.
Wipe pan clean, add remaining oil and heat over medium to low heat.
Whisk together eggs with a splash of milk and season with salt and pepper. Pour egg mixture into pan and cook for a few minutes until egg starts to set.
Sprinkle the cheese over the egg then add the mushroom mixture and basil to half of the egg mixture and continue cooking until egg is almost set. Use a spatula or egg flipper to gently fold the omlette over encasing the filling.
Transfer onto a plate and serve immediately.
Notes
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