Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Baked Sweet Potato Wedges.68 calories of Sweet potato, (0.50 sweetpotato, 5 long). 22 calories of Margarine, 70% vegetable oil spread, (0.25 tbsp). 1 calories of Nutmeg, ground, (0.06 tsp).0 calories of Salt, (0.06 tsp).ere are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Baked Sweet Potato Wedges.