Chilli con carne recipe

Name: Chilli con carne recipe
Ingredients: 1 large onion; 1 red pepper; 2 garlic cloves; 1 tbsp oil; 1 heaped tsp hot chilli powder (or 1 level tbsp if you only have mild); 1 tsp paprika; 1 tsp ground cumin; 500g lean minced beef; 1 beef stock cube; 400g can chopped tomatoes; ½ tsp dried marjoram; 1 tsp sugar (or add a thumbnail-sized piece of dark chocolate along with the beans instead, see tip); 2 tbsp tomato purée; 410g can red kidney beans; plain boiled long grain rice, to serve; soured cream, to serve