Spread out bread pieces over bottom of 13” x 9” pan. Brown the sausage with onion and Curry Kick, then spread out over bread in pan. Add jalapenos and mushrooms, if preferred. Spread cheese evenly over the sausage. Beat the eggs with the salt, pepper, and dry mustard. Add milk to eggs and mix well. Pour egg mixture over other ingredients. Cover with saran wrap and refrigerate overnight.
Bake uncovered at 350 degrees for 45 minutes or until nicely browned on top and a knife inserted in center comes out clean.