Preparation:
Stir together all casserole ingredients, pour into greased 12x8x2-inch baking dish.
Bake at 350F for 30-35 minutes or until knife inserted in center comes out clean.
To make the sauce, combine cornstarch with 1/4 cup broth. Heat remaining broth to boiling in a saucepan; gradually whisk in cornstarch, mushrooms and green onions.
To serve cut casserole into squares and top with mushroom sauce. |