1 Tbsp olive oil
1 onion, chopped
1-1/2 cups (215 g or 7.5 oz) grape tomatoes, cut in half
About half a bag spinach leaves, roughly chopped
3 oz feta cheese
6 eggs, beaten
Salt and pepper
Heat oven to 350. Heat oil in a salute pan and cook onion until softened. Add the tomatoes and toss for 1 minute to soften. Remove from heat, add spinach and toss to wilt. Transfer to a greased 8x8 baking dish.
Season eggs with salt and pepper and beat well, then pour over the vegetables. Sprinkle the feta over the top. Bake for 25 minutes.