North American

Serving

Sweet Potato Casserole

Name: Sweet Potato Casserole
Total time: 60 min
Yield: 12 servings
Cuisine: North American
Ingredients: 3 lbs sweet potatoes (peeled and cubed); 1/2 cup granulated sugar; 1/2 cup milk; 1/4 cup unsalted butter (softened); 2 large eggs; 1 tsp vanilla extract. Topping: 1/2 cup brown sugar; 1/3 cup flour; 1/3 cup cold butter (diced); 1 cup chopped pecans

Mashed sweet potatoes topped with a brown sugar pecan streusel or marshmallows.

60 minutes

Serves 12

Dessert/Side

21 min prep

33 min cook

Contains common allergens

Egg Dairy Tree nut Wheat

In the app, Listahan checks these against your household automatically.

Instructions

6 steps

1
Boil the cubed sweet potatoes in a large pot of water for 15-20 minutes until very tender. Drain thoroughly.
2
Transfer the hot sweet potatoes to a large bowl. Add the granulated sugar, milk, softened butter, eggs, and vanilla. Beat with an electric hand mixer until completely smooth and fluffy.
3
Spread the mashed sweet potato mixture evenly into a greased 9x13-inch baking dish.
4
Prepare the topping: In a separate bowl, combine the brown sugar, flour, and cold diced butter. Use a pastry blender or your fingers to cut the butter into the dry ingredients until it resembles coarse crumbs. Stir in the chopped pecans.
5
Sprinkle the pecan streusel topping evenly over the sweet potato mixture in the baking dish.
6
Bake at 375°F (190°C) for 25-30 minutes until the topping is golden brown and the casserole is heated through. Let stand for 10 minutes before serving.

Sweet Potato Casserole — plated and served — Serving moment. How Sweet Potato Casserole looks plated and ready to eat — a representative photo, not a step in the recipe.

Listahan Family Score™

74/100

Good fit for most families

Allergen-friendly 60

Kid-friendly 85

Weeknight-easy 64

Budget-friendly 86

Great leftovers 93

Pantry-friendly 66

Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.

Nutrition

per serving

300

Calories

4 g

Protein

35 g

Carbs

16 g

Fat

Estimated per serving. Actual values depend on the brands and portions you use.

Listahan cooking guide

Chef notes & practical guide

Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.

Cultural context

Sweet potato casserole became a fixture of American Thanksgiving tables in the early 20th century, closely tied to Southern cooking traditions where sweet potatoes were a dietary staple. The pecan streusel version emerged as an alternative to the marshmallow-topped variant popularized by the Angelus Marshmallow company in 1917, and both versions remain fiercely debated at holiday tables to this day. The dish sits at the edge between side dish and dessert, a position it has held for over a century.

Listahan note

This version leans into the savory side of sweet potato's natural depth by using brown sugar and cinnamon in measured amounts, letting the potato flavor anchor the dish rather than letting it tip into candy territory. The pecan streusel adds crunch and a nutty bitterness that keeps every bite balanced.

Technique cues

Roasting the sweet potatoes instead of boiling them concentrates the natural sugars and removes excess water, giving the mash a deeper, more complex flavor with less added sweetener needed.
The pecan topping should be added after the potato base has partially set in the oven, about 20 minutes in, so the streusel bakes crisp without burning before the filling is done.
Do not over-mash the sweet potatoes; stopping at a slightly textured puree rather than silky smooth gives the casserole a homemade quality that distinguishes it from canned sweet potato puree.

Kitchen flow

Parallel prep: Make the pecan streusel mixture while the sweet potatoes roast so both are ready to assemble at the same time.
Make-ahead: Prepare the potato base and streusel separately up to 2 days ahead; assemble in the casserole dish, cover, and refrigerate. Add 10-15 minutes to the bake time from cold.
Leftover move: Scoop leftover casserole into a bowl and serve warm with a scoop of vanilla ice cream for an easy dessert.
Cleanup rhythm: The casserole dish soaks clean easily once cool; the baking sheet used under the sweet potatoes should be lined with foil to catch any drips.

Ingredient brief

Role, handling, and swap guidance for each key ingredient.

sweet potatoes

Main body

Purpose: The starchy, naturally sweet flesh provides the entire base of the dish and its warm orange color.

Handling: Roast whole at 400 degrees until a knife slides in without resistance, about 45-55 minutes, then scoop out the flesh.

Adaptation: Canned sweet potato puree (unsweetened) can replace roasted potatoes when time is short; reduce any added sugar by about a third.

butter

Richness and binding

Purpose: Butter adds a dairy richness that rounds out the sweetness and helps the mash hold together in the casserole dish.

Handling: Use it slightly softened or melted so it incorporates smoothly into the warm potato without streaking.

Adaptation: Vegan butter or refined coconut oil works well and does not alter the sweetness profile significantly.

brown sugar

Sweetness and caramel depth

Purpose: The molasses notes in brown sugar complement the natural sweetness of the potato better than plain white sugar.

Handling: Mix into the warm mash while the potatoes are still hot so it dissolves fully without any graininess.

Adaptation: Maple syrup adds a more complex sweetness; use about 3 tablespoons in place of each quarter cup of brown sugar.

pecans

Crunch and nutty counterpoint

Purpose: The toasted nuttiness and crunch of pecans create the textural contrast that keeps the dish from being one-dimensional.

Handling: Roughly chop before using in the streusel so some pieces stay large enough to provide a genuine crunch.

Adaptation: Walnuts are a direct substitute; for a nut-free version, rolled oats with butter and brown sugar make a crisp crumble topping.

cinnamon

Warm spice

Purpose: Bridges the sweet potato and the pecan topping with a familiar holiday warmth without overwhelming the natural flavor of the potato.

Handling: Add to the mash with the other spices before tasting so you can calibrate the level before baking.

Adaptation: A small amount of nutmeg or allspice can be added alongside cinnamon; cardamom is a less traditional but excellent pairing.

Technique notes

Taste the mash for sweetness before it goes into the casserole dish; sweet potatoes vary widely in natural sugar content and you may not need as much brown sugar as the recipe calls for.
Press the streusel topping into a thin, even layer rather than dropping it in clumps; even coverage means every spoonful gets both creamy base and crisp topping.
Cover the casserole with foil for the first 20 minutes of baking if the streusel is browning too fast; you want the topping deep amber, not burnt.

Ingredient swaps

Nut-free direction: Replace pecans with rolled oats combined with butter, brown sugar, and a pinch of cinnamon for an equally crisp streusel topping.
Dairy-free direction: Use vegan butter throughout; the casserole holds together and tastes nearly identical.

Serve alongside

Roast turkey with pan gravy
Green bean casserole with crispy onions
Cranberry sauce
Buttered dinner rolls
Spiced apple cider
Pinot noir
Sparkling water with orange peel

Serving suggestions only — check pairings for your household's allergens.

Storage & reheating

Refrigerate covered for up to 4 days; the streusel will soften but the flavor improves.
Reheat covered at 325 degrees for 20-25 minutes, removing the foil for the last 5 minutes to re-crisp the topping.
Freeze the mash base without the streusel for up to 2 months; add freshly made streusel before baking from frozen.

Equipment

2-quart casserole dish or 9x13 baking dish
Potato masher or fork for a rustic texture
Sheet pan lined with foil for roasting the sweet potatoes
Pastry cutter or two forks for making the streusel

Make this household-aware

Listahan Pro checks this recipe against your household's allergens, finds pantry-aware swaps, builds the shopping list, and helps you plan the week around it.

Get the app