Roasted sweet potatoes

Ingredients

• 2 x 200g sweet potatoes
• 100g brown rice
• 250g ripe mixed-colour tomatoes
• 2 spring onions
• 1 x 200g jar of jalapeños
• ½ a bunch of fresh coriander (15g)
• 1 red onion
• olive oil
• 1 level teaspoon cumin seeds
• 1 x 400g tin of black beans
• 2 heaped teaspoons cottage cheese