Heat oven to 400. Grease a 9" pie plate. Cook onions in butter in 10" skillet, stirring frequently, til onions are softened. Arrange half of the onions evenly in pie plate; sprinkle with half of the bacon. Sprinkle a grated cheese over top, and then remaining onions and bacon. Place milk, Worcestershire sauce, seasoning, eggs and baking mix a bowl and beat for 30 seconds on high until frothy. Pour into pi plate. Bake until knife inserted in center comes out clean, about 35 min.

inbetween the first and second layers of bacon and onion.