how long to bake sweet potato
1 Preheat oven to 400Â°F. 2  With a fork, pierce sweet potato skin 5-6 times. 3  Place on baking sheet lined with foil. Bake until tender, 45 minutes to 1 hour.  Simple Baked Sweet Potato.
1 Cut them into medium size pieces. Place the cut sweet potatoes in the baking dish and turn them so that they are coated with the olive oil. Sprinkle moderately with oregano, and salt and pepper (to taste).  Bake in a preheated 350 degrees F (175 degrees C) oven for 60 minutes or until soft.