Low carb advice

You don't necessarily need to reduce your carbs if you're staying within your calorie goal. If you like potatoes, then any diet that doesnt include potatoes is going to be pretty miserable.

But if you want to eat fewer carbs anyway, why not just cut out one of your two daily potatoes? Seems pretty easy. Replace it with something that fits in your goals and has more fat and fewer carbs: veggies, nuts, lentils, dairy you can tolerate, dessert, whatever.