1 tbsp extra virgin olive oil

500g beef mince

1 brown onion, finely chopped

3 garlic cloves, finely chopped

1 carrot, finely diced

2 celery stalks, finely diced

1 zucchini, finely diced, optional

1 tsp dried oregano

1 tbsp butter

350g jar stir-through tomato pasta sauce (see note)

400g can cherry tomatoes in juice

1 tsp beef stock powder mixed with ½ cup water (see note)

2 cups baby spinach

sea salt flakes and cracked black pepper

1 tbsp balsamic vinegar

225g packet halloumi, cut into slices 1cm thick

1 cup (about 115g) grated mozzarella

parsley leaves, roughly chopped, to serve

steamed rice or gluten-free toast to serve