Easy Sweet Potato Casserole Recipe
EASY Sweet Potato Casserole Recipe is a easy American recipe that serves 8. 425 calories per serving. Recipe by Preppy Kitchen on YouTube.
Prep: 47 min | Cook: 1 hr | Total: 2 hrs 2 min
Cost: $11.91 total, $1.49 per serving
Ingredients
- 3 lb Sweet Potatoes (peeled and cut into 1‑inch cubes)
- 1 Tbsp Salt (for boiling water)
- 0.25 cup Unsalted Butter (softened; can use brown butter for richer flavor)
- 0.25 cup Brown Sugar (packed; for the mash)
- 1 cup Brown Sugar (packed; for the topping)
- 0.25 cup Milk (whole milk; can substitute heavy cream)
- 1 tsp Salt (for the mash; adjust if water was heavily salted)
- 2 Large Eggs (room temperature)
- 1 tsp Vanilla Extract (can substitute bourbon or rum for extra kick)
- 0.25 cup All-Purpose Flour (for the topping crumble)
- 1 tsp Ground Cinnamon (for the topping; optional nutmeg or allspice)
- 1 cup Pecans (chopped; can toast for extra flavor)
- 0.25 cup Unsalted Butter (melted and cooled; for topping crumble)
Instructions
Preheat Oven
Set the oven to 375°F and let it fully preheat while you prepare the casserole.
Time: PT0M
Temperature: 375°F
Cube Sweet Potatoes
Peel the sweet potatoes and cut them into roughly 1‑inch cubes so they cook evenly.
Time: PT15M
Boil Sweet Potatoes
Place the cubed potatoes in a large pot, cover with water by 1 inch, add 1 Tbsp salt, bring to a boil over high heat, then reduce to medium‑high and simmer 15‑20 minutes until fork‑tender.
Time: PT20M
Drain and Dry
Drain the potatoes in a colander. Return the pot to medium heat for about 5 minutes, stirring occasionally, to evaporate excess moisture.
Time: PT5M
Mash Potatoes
Using a potato masher or a large fork, mash the potatoes until smooth with no large lumps.
Time: PT5M
Combine Mash Ingredients
Stir in 1/4 cup brown sugar, 1/4 cup softened butter, 1/4 cup milk, 1 tsp salt, 2 eggs, and 1 tsp vanilla extract until fully incorporated.
Time: PT5M
Prepare Casserole Dish
Lightly butter the 9×13‑inch casserole dish to prevent sticking, then spread the sweet potato mixture evenly inside.
Time: PT5M
Make Pecan Crumble Topping
In a medium bowl combine 1 cup brown sugar, 1/4 cup all‑purpose flour, and 1 tsp cinnamon. Mix, then stir in 1/4 cup melted, cooled butter until crumbly. Fold in the chopped pecans.
Time: PT10M
Add Topping
Evenly sprinkle the pecan crumble over the surface of the casserole.
Time: PT2M
Bake
Place the casserole in the preheated oven and bake for 25‑30 minutes, or until the topping is golden brown and the center is set.
Time: PT30M
Temperature: 375°F
Cool and Serve
Remove from oven and let the casserole rest for about 10 minutes before serving.
Time: PT10M
Nutrition Facts
- Calories
- 425
- Protein
- 5 g
- Carbohydrates
- 55 g
- Fat
- 15 g
- Fiber
- 4 g
Dietary info: Vegetarian
Allergens: Eggs, Dairy, Tree nuts
Ingredient Substitutions
- Instead of Sweet Potatoes: Butternut squash
- Instead of Salt: Kosher salt
- Instead of Unsalted Butter: Margarine
- Instead of Brown Sugar: Dark brown sugar
- Instead of Brown Sugar: Dark brown sugar
- Instead of Milk: Heavy cream, Half‑and‑half
- Instead of Large Eggs: Egg substitute (e.g., flax egg) for vegans
- Instead of Vanilla Extract: Bourbon, Rum
- Instead of All-Purpose Flour: Gluten‑free flour blend
- Instead of Ground Cinnamon: Nutmeg, Allspice
- Instead of Pecans: Walnuts, Almonds
- Instead of Unsalted Butter: Brown butter
Equipment Needed
- Sharp Knife
- Cutting Board
- Large Pot
- Colander
- Measuring Cups
- Measuring Spoons
- Masher or Large Fork
- Mixing Bowl
- Whisk
- 9x13‑inch Casserole Dish
- Oven
- Aluminum Foil (optional)
- Spatula or Spoon
Critical Steps — Do Not Skip
- Boiling the sweet potatoes until fork‑tender.
- Evaporating excess water after draining to avoid a soggy texture.
- Baking until the topping is golden and the interior is set.
Chef Tips from the Video
- Roast the sweet potatoes at 425°F for 30 minutes before mashing for deeper caramel flavor.
- Toast the pecans briefly in a dry skillet for extra nuttiness.
- Add a pinch of ground nutmeg or all‑spice to the topping for additional warmth.
Troubleshooting
Casserole is watery after baking.
Make sure to evaporate excess water after draining the boiled potatoes and do not over‑add milk.
Topping is soggy.
Use cold melted butter for the crumble and bake until the topping turns golden; keep the crumble separate if assembling ahead.
Eggs cause a grainy texture.
Beat the eggs lightly before adding and ensure they are fully incorporated into the warm mash.
Storage
Refrigerator: Cover tightly and store for up to 4 days.
Freezer: Wrap well and freeze unbaked or baked casserole for up to 3 months.
Room temperature: Do not store at room temperature; refrigerate promptly.
Make-Ahead Tips
- Assemble the casserole (without topping) up to 2 days ahead, cover, and refrigerate.
- Keep the pecan crumble separate until ready to bake for maximum crispness.
- Freeze the unbaked casserole for up to 3 months; thaw overnight in the fridge before baking.
Frequently Asked Questions
What is the cultural significance and history of Sweet Potato Casserole in American Thanksgiving cuisine?
Sweet potato casserole has been a staple of American Thanksgiving tables since the 19th century, appearing in early cookbooks like Amelia Simmons' 1796 "American Cookery." It reflects the tradition of using native crops—sweet potatoes—to create a comforting, sweet side that balances savory holiday dishes.
What are the traditional regional variations of Sweet Potato Casserole in the United States?
In the Southern United States, the dish often features a marshmallow topping, while in the Northeast a crunchy pecan‑brown‑sugar crumble is more common. Some regions add orange zest or bourbon for extra flavor, but the core ingredients—sweet potatoes, butter, and sugar—remain consistent.
How is Sweet Potato Casserole traditionally served during Thanksgiving in American households?
It is typically served hot from the oven as a side dish, placed alongside turkey, stuffing, and green bean casserole. The casserole is usually sliced into squares and eaten with a fork, offering a sweet and savory contrast to the main course.
What occasions or celebrations is Sweet Potato Casserole traditionally associated with in American culture?
Besides Thanksgiving, sweet potato casserole appears at Christmas, New Year's gatherings, and other fall‑winter holidays where a warm, comforting side is welcome. It’s also popular at potlucks and family reunions.
What authentic traditional ingredients are essential for Sweet Potato Casserole and what are acceptable substitutes?
Core ingredients are sweet potatoes, butter, brown sugar, eggs, and a topping of either marshmallows or a brown‑sugar pecan crumble. Substitutes include using brown butter for richer flavor, cream instead of milk, or bourbon/rum in place of vanilla for an adult twist.
What are the most common mistakes to avoid when making Sweet Potato Casserole at home?
Common errors include under‑cooking the potatoes (resulting in a grainy mash), not draining or drying them enough (causing a watery casserole), and adding hot butter to the crumble which turns it into a paste. Also, over‑baking can burn the topping.
Why does this Sweet Potato Casserole recipe use a brown‑sugar pecan crumble instead of marshmallows?
The crumble provides a crunchy texture and a caramelized flavor that balances the sweet, creamy potato base. Marshmallows melt into a gooey layer, which some prefer, but the crumble keeps the dish from becoming overly sweet and adds nutty depth.
Can I make Sweet Potato Casserole ahead of time and how should I store it?
Yes. Assemble the casserole (without the topping) up to two days ahead, cover, and refrigerate. Keep the pecan crumble separate and add it just before baking. The assembled, baked casserole can also be frozen for up to three months; thaw overnight in the fridge before reheating.
What texture and appearance should I look for when Sweet Potato Casserole is done cooking?
The topping should be golden brown and slightly crisp, while the interior should be set and creamy—no liquid should pool on the surface. A gentle jiggle in the center is fine; it will firm up as it cools.
What does the YouTube channel Preppy Kitchen specialize in?
Preppy Kitchen focuses on approachable, family‑friendly recipes with a modern twist, often featuring seasonal dishes, holiday classics, and quick weeknight meals presented in clear, step‑by‑step video tutorials.
How does the YouTube channel Preppy Kitchen's approach to American Thanksgiving cooking differ from other cooking channels?
Preppy Kitchen emphasizes make‑ahead strategies, detailed prep tips, and flexible ingredient swaps, allowing viewers to customize classic dishes like Sweet Potato Casserole while keeping the process simple and stress‑free compared to more elaborate or technique‑heavy channels.
Last updated: August 29, 2026
