Hope you don't mind I figured I'd add some of my own:
1) Natural Peanut Butter (obviously)
2) Baked Chicken mixed with a tablespoon of ACV & plain white rice (with or withour cottage cheese)
3) Plain low fat yogurt with small peices of boiled carrot's, apple's, watermelon, or dry kibble.
4) Plain oatmeal (mixed with sugar free apple sauce for flavor) & banana chunks.
5) Lean cooked Ground Beef, (can be mixed with rice, veggie's, oatmeal, yogurt, or kiddle).
6) Ham or Bacon & low fat cheese cubes.
7) Natural/Organic Popcorn
Frozen Treats:
1) Sugar Free Vanilla Ice Cream (or Frosty Paws) sealed in with a small bit of Natural Peanut Butter
2) Low Sodium Chicken Broth mixed with dry kibble.
3) Sugar free apple juice with apple chunks.
Many of these are alot less messy than they sound, & the dogs LOVE, LOVE, LOVE it... My guys got Oatmeal & banana's tonight & stayed busy for nearly 2 hours before falling asleep.
Enjoy!!