Preheat the oven to 160°C (fan forced).
Line an oven pan (32x26cm) with baking paper. (You can also use a square or rectangle cake tin).
Heat olive oil in a pan and add the chopped ham; sauté for about 2-3 minutes and then add the onions.
Once the onions are softened and translucent, add the bell peppers. Season with salt and allow to cool slightly before adding to the egg mixture.
In a separate bowl, whisk the eggs and milk together. Add the chilli flakes, dried herbs, parsley and the cooled onion ham mixture. Season with salt and pepper and whisk well.
Pour into the pan and cook in the oven for 12-15 minutes or till the egg has set.
Remove from oven and allow to cool completely before turning it out of the pan. Cut into squares and serve with your favourite sauce.