If you are eating Yukon gold potatoes, and you ate 5 pounds of them, and according to my calculations you are looking at approximately 2100 kcal of which a little less than 1900 of those calories comes from carbohydrates.

We advise people not to go below 50 g of fat per day and according to the macros for Yukon Gold you wouldn’t even be getting a 10th of that amount.

Additionally, you’re only getting about 50 g of protein. We normally coach people to eat 1 g of protein per pound of lean muscle mass. So for 150 pound person that would be 150 g of protein per day or approximately 600 cal from protein.