Combine soup, mayo, chestnuts, lemon juice, mustard and curry powder for sauce. Mix well. In 1-1/2 quart casserole, layer half veggies, chicken, sauce and cheese. Repeat. Top with bread crumbs. (Freeze if desired at this point) Preheat oven to 375, thaw casserole and bake approx 1 hour or until heated through.