This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make pie in a slow cooker
Grease the slow cooker and saute the meat and onion.
Grease the slow cooker with butter or spray it with cooking spray. Place 1 pounds (680 g) of ground beef or lamb and 1 chopped onion into a large skillet.

Choose your answer from:
-Turn on the heat to medium high and allow the beef to heat up completely over medium-high heat. Cook the beef or lamb in the skillet over low heat for about thirty seconds.;
-Cook the meat and onion over medium heat until the meat is completely cooked. Drain off any grease from the pan and discard it.;
-Stir together the ground beef with a wooden spoon until it is completely coated in the seasoned beef. Add as much salt as desired and cook the beef until it thickens.;
-Turn the heat to medium high so the skillet heats up and adds 6 ounces (216 g) of butter or margarine. Put the lid on the skillet and cook the meat and onion over medium heat.;
The answer is:
Cook the meat and onion over medium heat until the meat is completely cooked. Drain off any grease from the pan and discard it.