Make a food and exercise diary Make a report of your eating and exercise habits for four days. Choose both week and weekend days. Do not make any changes yet. Record what you eat and drink and all your physical activities. A stroopwafel: who doesn't like that? Losing weight while eating stroopwafels, that is the dream of every sweet tooth. A new diet has been launched. We already knew the Sonja Bakkerdieet, the Pineapple diet, the blood group diet and the Streep je Slim diet. The effect of some of these diets is at least dubious. But what about the Stroopwafel diet?