A simple beef mince cottage pie with mashed potato.
In a saucepan, heat the oil. Add the onion and fry until glassy. Add the mince meat. Brown the meat. Season well.
Add the rest of the ingredients. Cook for 5 minutes.
Layer the mince on the bottom of your large dish or individual bowls. Top the mince with a layer of mash and then sprinkle the cheese. Cover with cling wrap and freeze until needed.
Defrost and place in the microwave for 5 minutes.
https://www.saffarazzi.com/food/simple-traditional-beef-mince-and-potato-cottage-pie/