Begin by placing food balls near the cat's food dish, over time moving them farther away until you're «hiding» the food in various places around the house. (articles.orlandosentinel.com)
Unless your watching SNL and eating Schweddy balls, it's pretty foodie politically incorrect to name most foods balls. (sinfulnutrition.com)
Another useful approach is to put the allotment in a plastic food ball, so that the cat expends some calories in getting the food by rolling the ball around to get the food out. (acupetvetcare.com)