Two common categories of insulinogenic foods are (1) simple
carbohydrates (the white stuff like flour, rice, pasta, sugar, potatoes, crackers, bread, etc
and (2) low fat protein (like chicken breast, egg whites, milk whey protein, etc). If you eat high proportion of food in your meals from either (1) and/or (2), you will induce high levels of secretion of insulin into your blood, making them cycle up and then plummet low.