Baked sweet potatoes & beans

INGREDIENTS

• 4 small sweet potatoes
• 1 tbsp smoked paprika , plus extra to serve
• 1 tbsp olive oil
• 1 large onion , chopped
• 2 garlic cloves , crushed
• 1 tbsp brown sugar
• 1 tbsp red wine vinegar
• splash of Worcestershire sauce (Lancashire sauce is a veggie option)
• 2 x 400g cans mixed beans in water, drained
• 400g chopped tomatoes
• 4 tbsp light soured cream , to serve