Preheat oven to 200°C. Grease and line a 3.5cm deep, 16.5cm x 26cm (base) slice pan

Boil, steam or microwave the sweet potato until just tender. Set aside to cool

Meanwhile, heat oil in a medium sized frypan over medium-high heat. Add onion wedges and fry until soft. Set aside to cool

In the same pan, add garlic, zucchini and capsicum and fry until soft. Set aside to cool

In a large mixing bowl whisk eggs, milk and seasoning. Add baby spinach, cooled garlic, zucchini and capsicum mix, followed by the sweet potato, fried onions and cheese

Bake for 30 mins or until cooked and golden. Allow to cool for 5 minutes before removing from tin

Serve with mixed salad leaves