Name: Small-Batch Sweet Potato Casserole with Canned Yams
Prep time: 10 min
Cook time: 25 min
Total time: 40 min
Ingredients: 1 cup drained canned sweet potatoes or yams, mashed (about 250 g; measure after draining and mashing); 1 tablespoon butter (14 g; softened, for filling); 1 teaspoon brown sugar (optional for filling; omit initially for syrup-packed potatoes); 1/4 teaspoon vanilla extract; 1/8 teaspoon ground cinnamon; 1 pinch fine salt; 1 tablespoon milk (optional; only if the mash is too stiff); 2 tablespoons chopped pecans (for topping); 1 tablespoon all-purpose flour (for topping); 1 tablespoon packed brown sugar (for topping); 1 teaspoon butter (about 5 g; softened, for topping)

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Canned sweet potatoes make a short batch of casserole without peeling or boiling fresh potatoes. Drain the chunks, mash them with butter and cinnamon, then scatter a small pecan crumble over the top. This version serves two as a side and uses a nut topping rather than marshmallows.

Measure the sweet potatoes after draining: 1 cup of mash, approximately 250 g. Can sizes and drained yields differ, so one whole can is not the measurement for this recipe. Use a small 5-inch square baking dish with room above the filling. The estimated total includes a five-minute rest after baking.

Recipe development note: This formulation has not been kitchen-tested. Times and yields are estimates; follow the texture, doneness and product checks.

Read the can and measure the drained mash

US cans labeled yams commonly contain orange sweet potatoes; read the ingredient list to see what is in your can and whether syrup or sugar is added. This guide uses cooked canned sweet potatoes, not raw true yams. Drain well before measuring so the casserole does not inherit all the packing liquid.

If the potatoes were packed in syrup, taste a small amount after draining and before adding the optional filling sugar. The crumble already contains brown sugar. A light rinse followed by thorough draining can remove some surface syrup, but it does not make a sweetened product unsweetened.

The filling does not contain egg. Milk is optional and should be added only if the drained mash will not spread. Start without it. The pecan topping contains flour and butter, so this formulation includes nuts, wheat and dairy.

Drain, mash, top and bake

Generated four-panel process illustration for small-batch sweet potato casserole with canned yams — Generated process illustration; not photographs of a kitchen-tested batch. The four panels summarize preparation stages.

Step 1: Drain and measure the sweet potatoes

Heat the oven to 350°F (175°C). Drain the canned sweet potatoes in a sieve. Mash them with a fork, then measure 1 cup of mash, about 250 g. Set excess potatoes aside for another use. Lightly grease the small baking dish using a little of the measured filling butter.

Step 2: Mix the filling without extra liquid

Stir the remaining filling butter, vanilla, cinnamon and salt into the mash. Taste before adding the optional teaspoon of brown sugar, particularly with syrup-packed potatoes. Add up to one tablespoon of milk only if needed for spreading. Spoon the mixture into the dish and smooth the surface gently.

Step 3: Make and scatter the pecan crumble

Mix the chopped pecans, tablespoon of flour and tablespoon of brown sugar in a small bowl. Rub in the teaspoon of softened topping butter until small clumps form. Scatter over the filling in a loose layer. Do not press the crumbs into a dense lid or add marshmallows to this measured version.

Step 4: Bake, check the middle and rest

Bake for about 20–25 minutes, until the topping is lightly browned and the filling is hot throughout. Check that the center reaches 165°F (74°C) with a food thermometer. If the nuts darken early, cover loosely with foil and continue heating. Rest for five minutes before serving.

Managing syrup, moisture and a browned topping

A watery filling usually needs better draining rather than more sugar or flour mixed into the middle. Use the drained mash quantity and keep optional milk separate until you can assess the texture. The filling should spread with a spoon without flowing like a sauce.

Nuts and sugar brown faster than a thick layer of filling heats. Check the topping before the longest estimated bake and protect it with a loose foil cover if necessary. Use the center temperature to judge heating rather than relying only on the topping color.

Preparing ahead and changing the topping

Prepare the mash and crumble separately up to a day ahead, refrigerating both in covered containers. Use an oven-safe dish and follow its manufacturer’s instructions when moving it from cold storage to the oven. Assemble before baking and allow extra time for cold filling to heat. A nut-free topping needs a separate formulation; simply removing the pecans changes the crumb proportions. Serve beside turkey or a green vegetable.

Storing a two-serving casserole

Refrigerate leftovers within two hours, or within one hour above 90°F (32°C), using a shallow container. Keep at 40°F (4°C) or below and use within three to four days. Reheat until the center reaches 165°F (74°C). Cover if the topping is browning before the filling is hot. Store any unused canned potatoes according to the label after transferring them to a suitable covered container.

Questions about this recipe

Do I use the whole can?

No. The listed amount is 1 cup after draining and mashing, approximately 250 g. Different cans contain different amounts of liquid and different drained yields.

Can I use canned pumpkin instead?

Pumpkin has a different flavor, moisture level and texture. It is not a direct substitution for the measured sweet potato mash in this formulation.

Can I add marshmallows?

This guide is written for a pecan crumble. Marshmallows add more sweetness and brown quickly, so a marshmallow version needs its own topping quantity and baking sequence.

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