If you don’t feel like making your own apple–mint chutney, you could use store-bought mango chutney to bring a little sweetness to these savory fritters.
Put the soup in a fine-mesh strainer with a large bowl underneath it. Transfer to the fridge and drain for at least 30 minutes. Use the back of a spatula to press out as much liquid as possible. Discard the liquid and transfer the solids into a large bowl.
Use a potato masher or a fork to smash the drained soup into a thick mashed-potato consistency (it’s OK if