Do not focus to much attention on dessert. Cut back on the number of days per week that you eat dessert.
It is hard for many people to stick to a diet that is based on proper nutrition. Many people will choose comfort foods over healthy foods. Once you become accustomed to eating lighter fare, you will not take as much joy in heavy foods as you used to. Once you get past your dependence of comfort foods, you can then focus on eating foods that are healthier and more nutritious.
A good nutrition tip if you have diabetes is to opt for "no sugar added" foods. While keeping sugar intake low is important, it's equally important to not eat too many carbohydrates because they can also have an effect on blood sugar levels. Make sure you choose foods that are low in both sugar and carbohydrates.