Chile Rellenos Casserole
["2 (7 oz.) cans whole green chilies, rinsed and seeded", "1 1/2 lb. Monterey Jack cheese, grated", "4 eggs, slightly beaten", "1/2 c. milk", "1 tsp. salt", "1/2 tsp. dry mustard", "1/4 tsp. pepper"]
["You will need an 11 3/4 x 7 1/2-inch pan."]
["green chilies", "cheese", "eggs", "milk", "salt", "dry mustard", "pepper"]