I know, I know, sounds gross, but dont knock it til you try it!! Even if you dont like mayo you will like this! You cant taste the mayo at all.
1/2 Cup Mayonnaise
1/8 Cup Soy sauce
2 Chicken breast or 4 chicken strips
Combine mayo and soy sauce in a bowl. In a ziploc bag place chicken breast in it and pour mayo & soy sauce mix over. Zip bag closed and shake bag to coat chicken. Let marinate for 4-6 hours. Place on grill and grill for 10 minutes on each side. I sprinkled the chicken with some garlic salt and I think it needed it! Grill until no longer pink inside.