01 -
On medium heat, warm olive oil in a big pot. Toss in the ground beef and diced onion. Stir it around until the beef's nice and brown and the onion's softened. Pour out any extra grease.
02 -
Mix in the pasta, seasoning mix, beef stock, and milk. Bring it all to a quick boil. Then lower the heat, cover with a lid, and let it cook for about 10-12 minutes, giving it a stir every so often, until the pasta's soft.
03 -
Take the pot off the heat. Gradually stir in the shredded cheddar cheese until it's smooth and creamy.
04 -
Sprinkle a bit of salt and pepper on top, just enough for your taste. Dish it up warm.