1. Prepare green beans according to directions.
2. Combine bread crumbs, butter/margarine and cheese; set aside.
3. Combine mayo, milk, lemon juice, lemon peel and thyme in small microwave-safe bowl.
4. Microwave at HIGH 30 seconds or until heated through; stir.
5. Spoon sauce over hot green beans, then sprinke with bread crumb mixture.