Big Dinner Diet. Breakfast: 1 Orange; Skim Milk (8 oz.); Coffee or Tea. Lunch: 1 Apple, 1 Banana, Skim Milk (8 oz.); Coffee or Tea. Dinner: Beef (8 oz.), or Chicken (12 oz.); lettuce and tomato salad with low calorie dressing; 1 Grapefruit; Coffee or Tea.