Baked sweet potatoes in foil at 400 come out fluffy inside and tender inside. Covered for extra tender in the middle or without foil like our sweet potato in air fryer if you want extra crispy skins!

How Long to Bake a Sweet Potato at 400

These make a great side dish. They aren’t just for the holidays either friends. You can dress up the insides savory or sweet with cinnamon and sugar too. With a crispy outside, while Baked Salmon at 400 together on a baking sheet.

Ok so you wanted to know the best way to make baked potatoes which we shared years back. Those were using Russets and another great selection with dinner too. BUT there are so many other varieties out there. These aren’t just for mashing folks, they are fabulous sliced and stuffed too.

Is it better to bake sweet potatoes in foil?

That is preference. If you just want the insides to mash I would wrap Baked Potato in Oven Wrapped in Foil to become ultra tender. Served as baked on the side of a meal I would crisp the skins without. No matter which you choose, you always want to wash the outside first. Unlike other produce in the stores, taters are typically just bagged and have quite a bit of dirt and debris on the outside.

Four raw sweet potatoes rest on a white surface with a fork nearby, ready to reveal how long to bake a sweet potato at 400.

How to Prepare

Clean – Wash under cool water and rub to remove debris. Then you always want to dry them off with some paper towels.

Prepare – You want to poke each one all the way around, this is a must. Even when you are making smoked potatoes you need to allow the steam to escape, cook all the way to the center evenly, and not explode.

Cover – For the most tender result you will want to cover your dish with foil or wrap each one. The latter is handy if you don’t have a pan, you can just set them on a baking rack.

Baked Sweet Potatoes in Oven

Tips for Success

  • Rinse and dry with paper towels really well because any moisture left on the skin will cause them to not get crispy as you would like.
  • Preheat oven to 400 degrees Fahrenheit before adding your food for even cooking.
  • Use a fork or knife to stick potatoes 6-10 times to vent all the way around
  • Place on baking sheet lined with parchment or foil if you’d like
  • Cover with aluminum foil and bake for 45 minutes – 1 hour 15 minutes
  • Test them all after 40 minutes cooking time (or so) with a fork or knife. Insert into the center of each one, should be easy to slide in and out showing it is tender.
How Long to Bake a Sweet Potato at 350

Baked Sweet Potato Cook Times

A higher temperature will yield a more crispy skin. If you just want tender thru and thru, this is baked potatoes in foil instead, for a bit longer. About 45-60 minutes is what you are looking at depending on their size. You can cook these and pork roast in oven at the same time for a complete meal served together.

At 350 you’re looking at closer to 60-75 minutes. No matter what there will be a range depending on their size. I highly suggest that you choose pieces that are all very similar. It will ensure that they can all be taken out at the same time. Use this temp when making chuck roast in oven together.

How do you get the skin crispy?

If you want crispy outer skin, remove foil once tender. Brush olive oil on top and all sides. Sprinkle sea salt all over and set to broil for 2-3 minutes or until outside is as crispy as you’d like.

Carefully slice cooked sweet potato (they will be hot), use a fork to fluff the middle and add all the things. I mean all the things y’all. Use your imagination and think of your favorite flavors when it comes to these.

How Long to Bake Sweet Potatoes at 425

How to Serve

Of course if you want to make homemade sweet potato casserole that is a great option during the holidays. As a side dish you can split open, fluff, and fill with some brown sugar + honey or maple syrup with mini marshmallows on top. Add diced pecans too if you want for a healthier dessert option.

baked sweet potatoes
5 from 3 votes

Baked Sweet Potato Recipe

By Justine
This is how long to cook baked sweet potato at 400 to tender and fluffy. They are a healthy side dish or for homemade sweet potato casserole.
Prep: 5 minutes
Cook: 45 minutes
Servings: 4

Video

Equipment

  • 1 baking sheet or casserole dish
  • aluminum foil

Ingredients 

  • 4 medium sweet potatoes
  • 1 tbsp olive oil
  • 1 pinch sea salt

Instructions 

  • Wash outside of skins and dry with paper towels. Preheat oven to 400 F. Use a fork or knife to stick potato 6-10 times all the way around to allow steam to vent out.
  • Place inside a casserole dish or on a baking sheet. Cover with foil and bake for 45 minutes – 1 hour 15 minutes depending on how large they are. Test at 45 minutes with a fork or knife. Insert into the center of each one, should be easy to slide in and out showing it is tender.
  • If you want crispy outer skin, remove foil once tender. Brush olive oil on top and all sides. Sprinkle sea salt all over and set to broil for 2-3 minutes or until outside is as crispy as you'd like.
  • Slice in the middle, fluff insides and add butter, cinnamon and sugar, and can even put mini marshmallows inside. If you want those browned you'd want to fill before broiling so they can brown and melt.

Nutrition

Serving: 1oz, Calories: 225kcal, Carbohydrates: 45g, Protein: 4g, Fat: 4g, Saturated Fat: 1g, Polyunsaturated Fat: 0.4g, Monounsaturated Fat: 3g, Sodium: 124mg, Potassium: 762mg, Fiber: 7g, Sugar: 9g, Vitamin A: 32063IU, Vitamin C: 5mg, Calcium: 68mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Appetizer, Side Dish
Cuisine: American
Tried this recipe?Mention @thetypical_mom or tag #thetypicalmom!

If you want to make these smaller without the skins at all you can with our sweet potato cubes in oven directions. Tossed with olive oil and cinnamon to make them sweet and cooked faster.

If you just want to kinda’ keep them savory as a side dish I would add the salt with the oil at the end to the skins. Just add butter to the inside like we do with pressure cooker sweet potatoes recipe.

About Justine

Justine is the creative mind behind The Typical Mom and The Typical Family on YouTube. She began blogging about easy recipes, budget friendly activities for kids, and fun family travel destinations in September 2012.

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5 from 3 votes

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3 Comments

  1. I have been buying a lot of sweet potatoes lately, and have been googling this question every time I try baking it. Thank you so much for sharing, saving for the next time I bake my sweet potatoes 🙂