Step 1
Preheat the oven to 190°C (170°C fan).
Step 2
Toss the sweet potato with olive oil, salt, and pepper. Roast for 20–25 minutes until just tender. Meanwhile, lightly sauté the onion in a non-stick pan until soft. Add garlic for 30 seconds, then wilt the spinach.
Step 3
Spread the sweet potato in an ovenproof dish. Add the onion and spinach.
Step 4
Whisk eggs with milk, seasoning, and spices.
Step 5
Pour over the vegetables and gently stir.
Step 6
Bake for 20–25 minutes, until set and lightly golden.