01 -
Preheat oven to 400°F.
02 -
Add ground beef and onion to a large skillet and cook until beef is browned and onion is softened. Drain grease. Spread mixture in a 9-inch greased pie pan.
03 -
Sprinkle cheese over meat.
04 -
Add milk, onion soup mix, Bisquick, and eggs to a medium bowl and whisk together to combine. Pour mixture in pie plate.
05 -
Bake for 25 minutes. Let cool a few minutes before serving.