5 Ways to Royally Mess Up Sweet Potato Casserole (2024)

This all-time favorite Thanksgiving side has a few pitfalls that are worth avoiding. Here’s what you need to know.

By

Hannah Klinger

5 Ways to Royally Mess Up Sweet Potato Casserole (1)

Hannah Klinger is a writer, editor, and content manager at Savory Magazine. She has a passion for helping home cooks build their confidence in the kitchen with hacks, how-tos, and guides to inspire them to try something new. She's contributed to America's Test Kitchen, Cooking Light, Food & Wine, EatingWell, and more.

Published on June 1, 2023

5 Ways to Royally Mess Up Sweet Potato Casserole (2)

Sweet potato casserole is the heart of the Thanksgiving table. Creamy, cozy, and spiced to perfection, it's a dish that evokes memories of good times and even better food. How do you make sure your sweet potato casserole is up to snuff for the holidays? We compiled the best tips for this side dish to truly shine.

1. Overwork the Mash

Put your food mill, ricer, and food processor away. You don’t want a silky smooth mash for potato casserole because it won’t hold together properly after baking (a casserole dish full of baby food? No thanks). A coarse mash is what gives the casserole its character and body. Use a potato masher or a fork to break down the sweet potatoes instead.

2. Forget the Egg

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.

5 Ways to Royally Mess Up Sweet Potato Casserole (3)

Get the Recipe: Chef John's Sweet Potato Casserole

3. Use Too Much Sugar

Sugar and sweetened evaporated milk in the filling, a candied nut topper, and marshmallows for good measure — it’s a wonder many sweet potato casserole recipes are still not classified as dessert. Sweet potatoes are naturally sweet; all that extra sugar is not only unnecessary, it often masks a delicious ingredient. A little brown sugar in the streusel topping and in the base (combined with vanilla and cinnamon) is all you need.

4. Forget the Crunch

A great sweet potato casserole needs an element of crunch to elevate the filling, otherwise it will get lost among the other dishes on the Thanksgiving table. Chopped toasted almonds, pecans, or pumpkin seeds are a great addition, as well as an oat streusel. If prepping ahead, keep the topper and the base separate, then assemble and bake before the meal.

5. Don’t Let It Set Before Serving

A piping hot casserole will not have had time to fully set and will be harder to serve. The topper also needs a couple minutes to dry out, just like a homemade granola, in order to have great crunch. Let it stand at room temperature for 10 to 20 minutes before serving. Because of the density of the mixture and size of the casserole, it will still be quite warm when guests dig in.

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5 Ways to Royally Mess Up Sweet Potato Casserole (2024)

FAQs

Why is my sweet potato casserole mushy? ›

If your sweet potato casserole turned out “watery”, its usually because you forgot to add eggs; you didn't let your casserole have enough time to set up after baking or you used fresh sweet potatoes and didn't boil them long enough before mashing.

Why add eggs to 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.

How do you enhance the flavor of sweet potatoes? ›

Dice the sweet potato, and leave the skins on. Then toss the chunks in a splash of tamari, oil, and maple syrup, and then dust heavily with chili powder, smoked paprika, and garlic powder. Roast at 400 Fahrenheit for about 30-50 minutes, or until the potatoes begin to crisp up.

How do you fix a soupy sweet potato casserole? ›

1 teaspoon of corn starch to 1 cup of casserole liquid, mxi it well and add it to the casserole. Give a good stir and when it bubbles a bit it will thicken.

Do sweet potatoes get softer the longer you cook them? ›

The potato pulled at 1 hour reached about 180 degrees, the 2-hour potato reached about 190 degrees, and the 3-hour potato reached about 200 degrees. Only the potato that cooked for the full 3 hours boasted the creamy, soft consistency and caramelized sweetness I wanted.

How to tell when sweet potato casserole is done? ›

Sprinkle the topping evenly over the sweet potato mixture, then pop it into the oven and let it bake for 40 to 45 minutes. You will know it's done when the topping is lightly browned and the center of your casserole is set and firm.

How do you make a casserole taste better? ›

Try different herbs for added flavour: sage or lemon thyme work wonderfully well. For a meatier casserole, add chopped sausage or pancetta when cooking the chicken. Stir wholegrain mustard through the casserole at the end of cooking (to taste); this is especially good if you have sausage in the casserole.

What makes sweet potatoes better? ›

Because of their fiber and vitamin contents, sweet potatoes are often considered the healthier choice between the two. Sweet potatoes are likely healthier than regular potatoes. They have a lower GI, more fiber, and large amounts of beta carotene.

What flavors compliment sweet potatoes? ›

Citrus and herbal aromas. Purple sweet potatoes contain linalool, an aroma molecule also present in cilantro and coriander seed. Its lemony citrus scent pairs well with basil, ginger, blueberries, blackberries, hazelnut and even coffee!

What does baking soda do to sweet potatoes? ›

Baking Soda – boiling the potatoes in baking soda draws out the starch and allows the outside to get brown and crispy. Sweet Potatoes – yams work fine too. Extra Virgin Olive Oil – gets infused with rosemary and garlic and is the key to getting that crispy exterior.

What is the best season for sweet potatoes? ›

Sweet potatoes are a fall crop because they take 100-150 days to mature. They are planted in the spring and harvested late August to early November.

Is sweet potato casserole supposed to be jiggly? ›

Bake the casserole for 35 to 45 minutes, until the filling is hot, does not jiggle when you shake the dish, and the topping has browned.

Why is my potato casserole runny? ›

I would skip the milk, just cream and cheese, and make sure to bake a long time uncovered. I never add a thickener. I'd suspect the potato type you are using as a PP suggested and/or that your cream/milk is separating which you see as “watery”.

Why are my baked sweet potatoes mushy? ›

Typically when you roast sweet potatoes, they end up mushy, not crispy. That's because the high sugar content and moisture in the potato creates a softer result.

Why do my sweet potatoes go soggy? ›

Don't try frying just once (or if you do… fry them starting off in cold oil). Sogginess is caused by moisture. You want to drive off the moisture from the outside but the inside also contains moisture which will turn to steam and evaporate through the crispy crust of the potato, turning it soggy again.

Why is my sweet potato pie mushy? ›

Overmixing: Overmixing the sweet potato filling can lead to a mushy texture. When mixing, especially after adding eggs, mix and mash only enough to combine the ingredients. Overmixing can add excess air, leading to a softer texture.

Why are my cooked potatoes mushy? ›

The starch in potatoes is held together by pectin. When that pectin breaks down too quickly in the boiling process, mushy potatoes result.

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