An Excellent Choice Without Sacrificing Your Favorite Foods. Introducing Grill’O‘s Healthier Fast Food Options. Our Food Is 100% Fresh And We Do Not Use Any Fat Or Oil During Its Preparation. We’re The Only Fast Food Chain Offering Guilt-Free Healthy Food (Fried Style Chicken Without Frying). Grillo offers everything from Burgers, Rolos, Grilled Chicken to Pizzas.