Heat a tablespoon of olive oil in a skillet over a low/medium heat. Finely slice the onion and add to the skillet, cooking until tender. Grate the ginger and mince the garlic. Add to the pan with the onion and cook gently for a minute or so until fragrant.
Step 2
Add the remaining oil to the pan. Dice the radishes into 1/2 inch pieces and add to the pan. Stir well to combine.
Step 3
Add the tomato purée, turmeric, cumin and coriander and stir well to combine, cooking for a minute more.
Step 4
Add the stock and bring to a simmer. Continue to cook for a further 5 minutes until the radishes are tender.
Step 5
Add the spinach and stir through until just wilted. Serve hot.