Add the beef mince and break apart with the back of a spoon. When beef is slightly browned, add tomato paste and cook through for 2 minutes.
Add red wine and let reduce by half. Pour in tomatoes and cream. Stir to combine and cover. Reduce heat to simmer until thickened, about 20-30 minutes.
Remove and let rest.
Heat butter in a pan over medium heat. Add flour and cook for 2 minutes. Add the milk gradually whisking constantly until smooth. Bring to a simmer. Add cheese and season with salt and pepper. Remove rom heat and let cool completely