1/2 c. milk
1 egg, beaten
1 1/2 c. packaged biscuit mix
1 tbsp. onion, chopped
1 c. shredded Cheddar cheese
1/2 stick butter, melted

Combine milk and eggs; add biscuit mix, onion and 1/2 cup cheese. Pour into a greased 8 or 9-inch square pan. Pour melted butter over top. Sprinkle remaining 1/2 cup of cheese over top. Bake at 350 degrees for 20 to 25 minutes. Cut into squares, serve hot.