I usually buy whole raw sweet potatoes from Trader Joe's and roast a big batch on Sunday to enjoy during the week, but we go through them so fast since my whole family loves them as well. I love eating roasted sweet potato with broccoli as my first meal, so if I run out, these frozen mashed sweet potatoes are are ready in just a few minutes. One 10-pice serving is 110 calories and offers four grams of fibre and two grams of protein.