Preheat the oven and boil the potatoes

• Preheat the oven to 200 °C.
• Boil the potatoes in a pot until soft.

Smash the potatoes in the dish

• Place the potatoes in a 9-inch baking dish and smash them so they cover the base of the dish.
• Drizzle with oil and season with salt and pepper.

Add the vegetables

• Scatter the spinach, yellow pepper and cherry tomatoes over the potatoes.

Pour over the egg mixture

• Whisk the eggs with the milk.
• Pour the mixture over the vegetables.

Top with cheese and bake

• Top with the grated cheese.
• Bake until set and golden.