Winter Vegetable Paprika Stew

Name: Winter Vegetable Paprika Stew
Cuisine: European
Ingredients: 30g (2 tbsp) butter; 2 tbsp olive oil; 2 red onions (chopped into large chunks); 2 onions (chopped into large chunks) - see note 1; 1 small chilli pepper (finely chopped); 1 tsp minced garlic; 250g (8¾ oz) carrots (chopped into thick slices); 250g (8¾ oz) swede (chopped into chunks); 150g (5¼ oz) parsnip (chopped into small chunks); 800g (28 oz) potatoes (cut into large chunks); 400g (14 oz) tinned (canned) chopped tomatoes; ¼ tsp cinnamon; 2 tbsp ground paprika; 1 tsp oregano; sea salt (to taste); ground black pepper (to taste); 1 tbsp wine (optional); 1 litre (4¼ cups) water (or stock); sprinkling of fresh herbs (optional)