Grease and prepare 12 muffin moulds and preheat the oven to 200 degress C.
Beat the egg into the oat mixture followed by the avocados. Then add the flour sifted together with salt, baking powder and soda bicarb. Do not over mix. Add the pepper and chopped olives, and bake for 15-20 minutes till an inserted toothpick comes out clean.