1. Combine the oats, flour, onion, and turmeric in a bowl. To taste, add more salt and pepper.
2. Pour in 2.5 fl oz of water and the egg. Blend thoroughly.
3.Spoon the blend onto a baking sheet. Form it into a sandwich.
4. Bake at 190ºC/375ºF for 10 minutes.
5. If the dough still lacks consistency after three minutes, give it another minute. However, if it already has a consistency, feel free to add additional ingredients (cheese, vegetables, mushrooms).
6. Bake for five more minutes with the ingredients on top.
7. Allow it to cool to room temperature.