* Methods :

°1 lb lean ground beef (at least 80%)
°1 onion,
°chop (1 cup) 1/2 tsp of salt
°1 c Cheddar cheese (4 oz)
°1/2 c Original Bisquick™️ mix
°1 c milk
°2 egg

* Methods : 

Heat oven 400°F. Spray a 9-inch glass pie plate with cooking spray.
In 10-inch skillet, cooking beef also onion on heat 8 to 10 min, stir occasionally, until beef is brown; drain. Stirring in salt. Spreading in  pie pan. Sprinkling with cheese. 
In a small bowl, combine the remaining ingredients with a fork or whisk until blended. Pour into the pie plate.
Baking for about 25 min

Enjoy !