1. Preheat oven to 350°F / 180°C (160°C fan-forced) and grease a muffin tin, mini loaves pan or line an 8 x 8 baking pan with baking paper
2. In a medium bowel, mix together the chickpea flour, nutritional yeast, garlic powder, oregano, salt and pepper. Add the milk and whisk until combined (batter will be runny, not thick)
3. Add the vegetables and mix again
4. Scoop the batter into desired baking tin
5. Bake in the oven for 35 mins for small frittatas or up to 50 mins for a large one. Test with toothpick, by sticking it in the centre of a muffin, if it comes out clean, the frittatas are ready
6. Remove from oven and let rest on a cooling rack before flipping out