*What you will need:

°1 lb lean ground beef (at least 80%)
°1 large onion,
°chopped (1 cup)
°1/2 teaspoon of salt
°1 cup grated
°Cheddar cheese (4 oz)
°1/2 cup Original Bisquick™️ mix
°1 cup milk
°2 eggs

*How to do it :

Heat the oven to 400°F. Spraying 9-inch glass pie plate with cook spray.
In 10-inch skillet, cook beef and onion over medium heat 8 to 10 minutes, stirring occasionally, until beef is browned; drain. Stir in the salt. Spread in a pie pan. Sprinkle with cheese. 
In a small bowl, mix the remaining ingredients with a fork or whisk until blended. Pour into the pie plate.
Bake for about 25 minutes .

Enjoy !