Step 1

Heat the oil in a large pan, then add the onion and fry for 5 minutes or until softened but not browned.

Step 2

Add the garlic, cumin, smoked paprika and dried chili flakes and cook for 1 minute.

Step 3

Stir in the carrots, sweet potatoes, vegetable stock, water, black beans and canned tomatoes. Bring to the boil, then reduce the heat and simmer, uncovered, for 25 minutes.

Step 4

Stir in the lime juice and season with salt and pepper.