Impossible Chicken and Broccoli Pie

1 package frozen broccoli, thawed or 1 1/2 cups fresh
3 cups shredded Cheddar cheese, divided
1 1/2 cups cut-up cooked chicken
2/3 cup chopped onion
3 eggs
3/4 cup Bisquick
Salt, pepper and garlic to taste
1 1/3 cups milk
Pinch of sage

Grease a 10-inch pie plate.

Mix broccoli, 2 cups cheese, chicken and onion in prepared pie plate.

Beat milk, eggs and Bisquick and spices until smooth. Pour over mix in pie plate. Bake at 400 degrees F until knife comes out clean from center, 25 to 35 minutes in oven.

Top with remaining cheese. Bake until melted. Cool 5 minutes and serve.