Layered mixed potato bake

Step 1
Preheat oven to 180°C. Grease a 20cm square cake tin or deep baking dish with olive oil.

Step 2
Steam or microwave the sweet potato and potato until just tender.

Step 3
In the base of the cake tin, layer half of the sweet potato followed by half of the potato.

Step 4
Then layer ¼ cup frozen peas and ¼ cup frozen corn. Top with a layer of half the zucchini.

Step 5
Repeat with the remaining sweet potato, potato, peas and corn then zucchini.

Step 6
Mix the eggs, milk, ricotta and ¼ cup of the cheese in a jug. Pour over the vegetables. Top with remaining grated cheese and the thyme (if using).

Step 7
Bake for 25-30 minutes or until golden and set. Cool for 5 minutes before serving.