Preheat oven to 350F and grease 2 loaf pans.

In a large bowl mix together the sugar, pumpkin, egg whites, oil, greek yogurt until combined. Set bowl aside.

In a large bowl, whisk together the flour, baking soda, salt, cinnamon.

Next add the dry ingredients to the wet ingredients and mix until combined then add the chocolate chips.

Transfer batter to loaf pan and bake for 35-45 minutes. To check if finished insert a skewer into the bread and if it's dry, the bread is done.

Cool completely and serve.