Minced meat repurposed

In one meal I will use half a pound of ground beef, and in the other, the other half. This way I only cook the beef ONCE, and it is already ready to use the next day. I’m not eating the same meal two days in a row but something fresh and, frankly, even tastier tomorrow. On one hand I made fresh melt in your mouth tacos, the next day the most delicious cottage pie and turnip rutabaga fries.