Secret Ingredient Thanksgiving Sweet Potatoes Recipe (2024)

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Posted by Jessica Pinney on , last updated

Secret Ingredient Thanksgiving Sweet Potatoes Recipe (1)

Thanksgiving is my favoriteholiday. You know why? Because it’s not about giving gifts or dressing up, it’s just about the food!And of course family…but mostly the food!

Like many holidays, Thanksgiving involves a lot of traditional recipes. Almost everybody has one or two recipes that they make every year. I usually like to switch it up and try something new, especially when it comes to the turkey.

There is, however, one recipe that is so delicious that I have made it every Thanksgiving for about 5 years now. I have honestly never had sweet potatoes that taste quite like this version. It’s incredibly creamybecause of a few cups of cream, a stick of butter (hey, it’s the holidays), and a “secret ingredient”.

Secret Ingredient Thanksgiving Sweet Potatoes Recipe (2)

Wondering just what that secret ingredient is? It’s a banana! A roasted banana to be exact. It may sound crazy, but everyone I’ve ever served these for has raved about them. Give it a try! Don’t tell your guests what the secret ingredient is, see if they can guess.No one has yet.

I hope you enjoy mySecret Ingredient Thanksgiving Sweet Potato recipe as much as I do.

Secret Ingredient Thanksgiving Sweet Potatoes Recipe (3)

Secret Ingredient Thanksgiving Sweet Potatoes Recipe

A unique spin on the classic Thanksgiving side dish, this recipe has a "secret ingredient" that makes it extra sweet and creamy.

Author: Jessica Pinney

Servings: 6 -8

Prep Time: 15 minutes minutes

Cook Time: 1 hour hour 40 minutes minutes

Total Time: 1 hour hour 55 minutes minutes

Secret Ingredient Thanksgiving Sweet Potatoes Recipe (4)

Print Recipe

5 from 4 votes

Ingredients

  • About 5lbs of Sweet Potatoes
  • 3 Tablespoons of Kosher Salt
  • 1 Banana (ripe to overly ripe is best)
  • 8 Tablespoons Unsalted Butter
  • 2 Cups Heavy Cream
  • 1 Cinnamon Stick
  • 1/4 Cup Packed Light Brown Sugar
  • 1 Tsp Fresh Ground Pepper

Instructions

  • Preheat your oven to 350°.

  • Rinse the potatoes. Poke several holes in each with a fork. Keeping the peel on, rub each down with salt then individually wrap in aluminum foil.

  • Once your oven is preheated, place potatoes on the bottom rack and cook until very tender (about 60-90 minutes). When potatoes are so tender that a paring knife immediately slices through them, take them out of the oven. Set aside.

  • Place about a 1/2" slit in your banana's peel. Place on the bottom rack of the oven and bake until the peel is black, about 15 minutes. Remove from oven and scoop fresh into a small bowl.

  • Increase oven temperature to 500°. Take a 9x9 or 13x9 baking dish. Place inside the oven and allow to heat up for 5-10 minutes.

  • Now unwrap your sweet potatoes and slice them in half. Scoop the flesh out into a bowl.

  • Remove baking dish from oven. Add butter and let melt. Then add the cream, cinnamon stick, brown sugar, banana, and sweet potatoes. Use a potato masher, then stir to combine.

  • Place in oven and bake 5-10 minutes until desired temperature is reached. Season to taste with salt & pepper.

  • Serve immediately.

Nutrition

Calories: 394kcal (20%)

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  1. Ruby says

    This sounds great – really different. Can’t wait to try it, but I have a question first.
    Do you mash the cinnamon stick into the potato mixture? I’ve never done that before. Or can I use ground cinnamon instead, and how much?
    Thanks, and Happy Thanksgiving!

    Reply

    • Jessica Pinney says

      It really is my favorite Sweet Potato recipe!
      You don’t break up the cinnamon stick, it stays whole. You just sort of stir it around in the potato mixture so the flavor gets in there. I imagine you could use ground cinnamon instead, but I’ve never done it so I am not sure how much. A little goes a long way with cinnamon, maybe start with a 1/8 – 1/4 tsp and season to taste? Let me know how it works out for you.
      Hope you enjoy the recipe, and a Happy Thanksgiving to you and your family as well!

      Reply

  2. Analida Braeger says

    Secret Ingredient Thanksgiving Sweet Potatoes Recipe (5)
    I love the banana idea! I am going to try this for the holidays this year. Thanks for sharing a great recipe!

    Reply

  3. Elaine @ Dishes Delish says

    Secret Ingredient Thanksgiving Sweet Potatoes Recipe (6)
    How fun! I’m intrigued and look forward to trying your recipe. I can just imagine how tasty it is and it must be a surprise when folks find out there is a banana in it!!

    Reply

  4. dixya @food, pleasure, and health says

    it looks so fluffy and delicious….

    Reply

  5. Aditi Bahl says

    this looks lovely. Cinnamon with sweet potato is such a great combination. Cant wait to try it.

    Reply

  6. Leslie says

    Banana!? I never would have thought of that – this sounds great!

    Reply

  7. Veena Azmanov says

    Secret Ingredient Thanksgiving Sweet Potatoes Recipe (7)
    I am very intrigued!! I have never heard of banana in sweet potatoes. Love the idea of cinnamon. Can’t wait to try this.

    Reply

  8. Anne Murphy says

    Interesting idea! It might be a way to wean people who expect sweet potatoes to be really sweet away from the boring marshmallows… (which I never did like.)

    Reply

  9. Dominique | Perchance to Cook says

    I would have never guessed that banana is the secret ingredient but I can totally see it adding a great flavor here. I would love to try this!

    Reply

  10. Aish Das-Padihari says

    I rarely bring sweet potatoes home. Looking at your recipe, I’m thinking, I should now.

    Reply

  11. Prasanna Hede says

    Secret Ingredient Thanksgiving Sweet Potatoes Recipe (8)
    Wow Banana with sweet potatoes? thats a superb addition! wonder how great this would taste!.

    Reply

  12. Nicoletta @sugarlovespices says

    Being Italian and living in Canada only from a short period of time, Thanksgiving is not a festivity I long for. Being vegetarian is another reason, cannot understand all the turkey galore. But your dish…I love it! I can smell it and taste it!

    Reply

  13. Christine says

    I just recently discovered the awesomeness of roasted banana but never would have thought to add it to sweet potatoes. Super innovative – I’ll have to give it a try!

    Reply

  14. Ashley @ Big Flavors from a Tiny Kitchen says

    What a fun surprise! It sounds like it adds such a nice depth of flavor to this dish. I’ll need to give it a try!

    Reply

  15. Ashima says

    Never thought of adding a banana to sweet potatoes! This really is a secret 🙂 Thanks for sharing! Have to try and let you know if anybody at my home guessed it!

    love,
    ashima

    Reply

  16. Rachel says

    Nice change-up on the sweet potato casserole! I can see how bananas and sweet potatoes would pair well together. Will try!

    Reply

  17. Brandi says

    Do you think this is something you can make ahead & bake the day of? Trying to get ahead on meal prep 🙂 Thank you!

    Reply

    • Jessica Pinney says

      Yes, that would be very easy to do. This recipe reheats well.

      Reply

Secret Ingredient Thanksgiving Sweet Potatoes Recipe (2024)

FAQs

Why put egg in sweet potato casserole? ›

The egg is the all-important binder in a sweet potato casserole: it enriches and stiffens the mixture without making it heavy. Make sure to cool the mash slightly before adding the egg so it doesn't scramble, and to stir well so there are no streaks of cooked egg white in the finished dish.

What makes sweet potatoes taste better? ›

14 Ways To Add More Flavor To Sweet Potatoes
  1. Slather with cinnamon butter. Siims/Getty Images. ...
  2. Drizzle with tahini. ...
  3. Roast with savory chili sauce. ...
  4. Sprinkle on some good ol' salt and pepper. ...
  5. Pan fry with ginger and orange. ...
  6. Rub with garlic and rosemary. ...
  7. Dip in honey mustard. ...
  8. Sweeten with brown sugar and pecans.
Feb 17, 2023

Why do you soak sweet potatoes before baking? ›

The cold water bath helps rinse the starch off the sweet potatoes so they're a bit more crispy. That said, if you do not have the time, you can still get crispy baked sweet potato fries by using high heat and a little drizzle of olive oil.

Is it better to boil or bake sweet potatoes? ›

Baking can also cause an 80% drop in vitamin A levels, twice as much as boiling. Therefore, from a nutritional standpoint, boiling rather than baking should be recommended for cooking sweet potato.

How do you get the most nutrients out of sweet potatoes? ›

Boiling sweet potatoes retains more beta-carotene and makes the nutrient more absorbable than other cooking methods such as baking or frying. Up to 92% of the nutrient can be retained by limiting the cook time, such as boiling in a pot with a tightly covered lid for 20 minutes.

How do you make a sweet potato casserole not runny? ›

Eggs and cream help stabilize the dish and prevent it from becoming too runny (a common complaint with many sweet potato casserole recipes). Make it as smooth or chunky as you like!

Can I leave eggs out of sweet potato casserole? ›

Eggs (or not!)

– I've made this sweet potato casserole with and without eggs, both ways are delicious. The eggs act as a binder and gives the casserole a light and fluffy texture. Without eggs, the casserole doesn't have as much structure but it still silky smooth and tastes delicious.

Why is my sweet potato casserole so watery? ›

(Another hot tip if you're boiling your sweet potatoes: Don't overcook them! They tend to absorb water, which could make the filling watery.) So, say you do have some undercooked bits of sweet potato. You have two choices: Pick them out or bake your sweet potato casserole long enough to soften the underdone pieces.

What is the tastiest sweet potato? ›

The most versatile and sweetest variation of sweet potatoes is the Beauregard. Throughout the United States, you will see this species stacked high in the grocery stores during the holiday season. Beauregard's have a bit of a stringy texture, but they stay soft: this is what makes them so popular.

What flavors go well with sweet potatoes? ›

It's absolutely delicious to mash sweet potato with honey, butter, nutmeg and cinnamon. rosemary! I make sweet potato fries in the oven with just a pinch of salt and pepper, oil, and a ton of rosemary... absolutely delish!

Why are my sweet potatoes tasteless? ›

So if you want a sweet, sweet potato, you have to cook it until it reaches 135–170°F (57–77°C). And you want to keep sweet potatoes in that range for as long as possible. That will maximize how sweet the potatoes taste.

Should you pierce sweet potatoes before baking? ›

1) Always poke a few holes.

Before baking, use a fork to prick each sweet potato several times. You don't need to jab the fork in deep. We're creating steam vents. Otherwise the pressure in the sweet potato could build up so high in the oven that it explodes—an unlikely possibility but one best avoided!

Is it better to peel sweet potatoes before or after boiling? ›

There is not much difference between boiling sweet potatoes with the skins on versus peeling them, but you will get a boost of fiber and potassium if you keep the skin on. The skin also adds a subtle texture to each bite. If you're looking for a smoother mash, peel the potatoes first before boiling.

Should you rinse sweet potatoes before cooking? ›

Skipping the Scrub-and-Wash Step

Sweet potatoes grow in the ground, and skipping the cleaning step means dirt or grit can end up in your sweet potato casserole. Before cooking or cutting sweet potatoes, wash the skins and give them a scrub with a clean vegetable brush.

What are some interesting facts about sweet potatoes? ›

Sweet potatoes are planted in the spring and harvested in the fall. Sweet potatoes are great sources of vitamin A, vitamin C, beta carotene, fiber and potassium. Sweet potatoes can be white, yellow, red, purple or orange. The orange-fleshed sweet potatoes are sweeter than the other varieties.

Is there a trick to cutting sweet potatoes? ›

So, to make cutting easy, you want to go ahead and soften them first using one of the methods below. Parboiling – Cut off both ends of the sweet potato, and place it in a large pot of water. Bring the liquid to a boil. Then, reduce the heat slightly, and let the potato simmer for about eight minutes.

Why not to boil sweet potatoes? ›

Despite their sweet taste, these potatoes have an intermediate glycemic index (GI) level, meaning they are digested and absorbed fairly slowly, leading to a more gradual increase in blood sugar levels. But, a lot of these benefits, including nutrients and taste, can be lost by boiling sweet potatoes.

How do you make sweet potatoes easier to cut? ›

how to soften sweet potatoes For Cutting
  1. Parboil – peel and trim off both ends of the sweet potato and place in a saucepot with water. ...
  2. Microwave – use a fork to poke holes into the sweet potato and microwave for 2-3 minutes, depending on size.
Apr 14, 2023

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