Preheat the oven to 200C/400F degrees.
Cook the spinach in a frying pan with a dash of olive oil until wilted and set aside.
Mix the eggs, butter, water and salt and combine well.
Add the coconut flour and baking soda and blend.
Add the Parmesan and Feta cheese, herbs, olives, spinach and tomatoes and blend well.
Line a muffin tin with muffin cups and spoon the mixture into them.
Bake for 12-15 minutes until firm and golden.
Eat and enjoy!