Step 1

Preheat oven to 400F.

Step 2

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 grease pie pan.

Step 3

Sprinkle cheese over meat.

Step 4

Add milk, onion soup mix, Bisquick and eggs to a medium bowl and whisk together to combine. Pour mixture in pie plate.

Step 5

Bake for 25 minutes. Let cool a few minutes before serving.