6 c. cubed 1-inch French bread
2 c. shredded cooked chicken
2 c. (8 oz.) sliced fresh mushrooms
1 1/2 c. (6 oz.) shredded Cheddar cheese
1 1/2 c. (6 oz.) shredded Mozzarella cheese
10 eggs
1 1/3 c. milk
1/3 c. dry white wine or chicken broth
1/2 c. chopped green onions
1/4 c. Dijon-style mustard
1/4 tsp. pepper

In greased 13 x 9-inch baking pan, place bread. Layer with chicken, mushrooms and cheeses. Meanwhile in large bowl, whisk remaining ingredients. Pour over layered chicken mixture. Cover; refrigerate 6 hours or overnight. Heat oven to 325°F. Uncover; bake for 50 to 60 minutes or until set in center. Let stand 10 minutes.