Homemade chilli con carne

First time making this and OMG it was absolutely delicious!! 

500g minced beef

2 onions, chopped

1 green pepper, chopped

2 garlic cloves, crushed

1-2 tbsp chilli powder (depending on taste)

2 tsp ground cumin

2 tsp oregano

2 tins of chopped tomatoes

1 tin red kidney beans, drained

175g tomato puree

175ml beer or water

1 tbsp dark unsweetened cocoa powder

1 tbsp light brown 

Cook the mince and onions in a frying pan, drain and add to sc with all other ingredients. Mix, cover and cook on low for 6-8 hrs leaving lid off to thicken sauce for the final hr. Serve with jacket potatoes, rice or in a large Yorkshire pudding 😋🤤😋🤤