This filled omelette, with red onions, curly kale and goat's cheese, is vegetarian, gluten-free and quick enough to make midweek
Ingredients
- 1 tbsp olive oil
- 2 red onions, thinly sliced
- 200g chopped curly kale
- 2 tbsp balsamic vinegar
- 8 large eggs, lightly beaten with a little seasoning
- 100g firm goat's cheese, broken into chunks
Method
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Heat oven to 190C/170C fan/gas 5. Heat the oil in a 25cm ovenproof frying pan. Add the onions and cook for 10-15 mins until soft and caramelised. Add the kale and 1 tbsp water, and cook for 5 mins until the kale has wilted. Pour in the balsamic vinegar and bubble for 1 min, then add the eggs. Give everything a quick stir, then leave undisturbed to cook over a low-medium heat for 5 mins until the egg is nearly set and the frittata is turning golden brown on the bottom.
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Scatter the goat’s cheese over the top of the frittata. Cook in the oven for 10-15 mins until the cheese is bubbling and the frittata is set in the centre.