Step 1

In a large frying pan, heat the bacon slowly to let it release its fat.  When the fat has melted, add the onion and sauté until light golden brown.  Add the ground beef and sauté it until you see some golden brown caramelization on the meat.

Step 2

Add the pepper, brown sugar, Worcestershire sauce, Umami, Harissa, garlic and tomatoes sauce cover and cook for 5 minutes.  Add the parsley and the cheese at the last minute.