Crockpot Sweet Potato Casserole with Canned Yams is a classic holiday side dish made with buttery sweet potatoes, brown sugar, and a fluffy marshmallow topping. Using canned yams keeps the preparation simple while the slow cooker gently warms everything together into a comforting dish.
This recipe is especially useful when oven space is limited during holiday meals. The sweet potatoes cook directly in the crockpot, leaving room for other dishes while creating a warm, dessert-like side that pairs beautifully with traditional dinner favorites.
Pair it with comforting macaroni and cheese for a satisfying meal, or serve alongside tangy cranberry sauce to balance the sweetness. This casserole is a must-try for your next special occasion or weeknight dinner!
Why Sweet Potato and Marshmallow Combination Works?
- Canned Sweet Potatoes: Using canned yams provides a soft texture and makes this recipe faster than starting with fresh sweet potatoes.
- Butter: Butter adds richness and helps create a smooth, comforting consistency throughout the casserole.
- Brown Sugar: Brown sugar adds sweetness along with a subtle caramel-like flavor from the molasses naturally present in brown sugar.
- Mini Marshmallows: The marshmallow topping creates the classic finish, becoming soft and puffy as it warms.
- Cooking Spray: A light coating prevents the sweet potato mixture from sticking to the slow cooker during cooking.
Crockpot Sweet Potato Casserole with Canned Yams
This slow cooker sweet potato casserole is a perfect blend of buttery sweetness topped with gooey marshmallows. Ideal for holidays or cozy meals, it’s easy, indulgent, and crowd-pleasing!
Equipment
- Slow Cooker
- Cooking spray
- Measuring Cups
Ingredients
- cooking spray
- 2 29 ounce cans sweet potatoes, drained
- ⅓ cup butter cut into 1/4-inch pieces
- ¾ cup light brown sugar
- 1 16 ounce package miniature marshmallows
Instructions
- Spray the inside of the slow cooker with cooking spray to prevent sticking.
- Drain the sweet potatoes and place them into the slow cooker.
- Arrange butter pieces evenly over the sweet potatoes.
- Sprinkle the brown sugar on top.
- Cook on High for 3 to 3 ½ hours.
- Add marshmallows and cook for an additional 15 minutes until soft and puffy.
- Serve warm and enjoy this sweet, comforting dish!
Nutrition Info:
| Nutrition | Value |
|---|---|
| Calories | 531 kcal |
| Carbohydrates | 109g |
| Sodium | 238mg |
| Fat | 5g |
| Protein | 4g |
| Sugar | 62g |
Common Mistakes That Affect Sweet Potato Casserole
- Adding Marshmallows Too Early: Long cooking can cause them to disappear into the casserole instead of creating a topping.
- Skipping Drainage: Extra liquid from canned yams can make the casserole watery.
- Using Too Much Sugar: Canned sweet potatoes already contain natural sweetness, so added sugar should complement rather than overwhelm.
- Overstirring the Sweet Potatoes: Excessive mixing can make the casserole overly smooth.
- Cooking Without Greasing: The sugar content can cause sticking around the edges of the slow cooker.
- Leaving the Lid Open Too Often: Frequent opening releases heat and can increase cooking time.
Holiday Ways to Serve Sweet Potato Casserole
This dish naturally fits into traditional holiday menus, but it also works beyond special occasions.
- Serve alongside roasted turkey.
- Pair with ham for a sweet and savory combination.
- Add it to a Thanksgiving buffet with stuffing and green beans.
- Pair with roasted vegetables for a cozy seasonal dinner.
Creative Variations for This Sweet Potato Casserole
- Pecan Topping: Add chopped pecans for a crunchy contrast.
- Cinnamon Sweet Potatoes: Add cinnamon for extra warmth.
- Orange Sweet Potato Version: Add a little orange zest for brightness.
- Maple Variation: Replace part of the brown sugar with maple syrup.
- Streusel Topping: Add a crumb topping instead of marshmallows.
- Extra Nutty Version: Combine pecans and marshmallows for two textures.
- Spiced Version: Add a pinch of nutmeg or pumpkin spice.
Storage and Reheating Notes
- Refrigerator Storage: Store leftovers in an airtight container for up to 3–4 days.
- Cool Before Storing: Allow the casserole to cool before transferring it to storage containers.
- Gentle Reheating: Warm portions slowly in the microwave or oven.
- Refresh the Topping: Add a few extra marshmallows before reheating if desired.
- Avoid Overheating: Too much heat can make the marshmallows overly melted.
Frequently Asked Questions
- Can I use fresh sweet potatoes instead of canned yams?
Yes, but fresh sweet potatoes require additional preparation since they need to be cooked and softened before using. - Why are canned yams used in this recipe?
Canned yams provide convenience because they are already cooked and ready to combine with the other ingredients. - Are canned yams and sweet potatoes the same thing?
They are often used interchangeably in American recipes, although true yams and sweet potatoes are botanically different. - Can I leave off the marshmallow topping?
Yes. The sweet potato mixture can be served without marshmallows if you prefer a less sweet version. - Why do the marshmallows go on at the end?
Adding them during the final minutes allows them to soften and puff without completely disappearing. - Can I double this recipe?
Yes, but make sure your slow cooker has enough capacity so the casserole can heat evenly. - How do I prevent the casserole from sticking?
Spraying the slow cooker before adding ingredients helps prevent sticking caused by butter and sugar. - Can this recipe be served outside of the holidays?
Absolutely. It works as a sweet side dish for family dinners, potlucks, and seasonal meals throughout the year.
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The Freshman Cook started as a place to keep track of recipes I wanted to make again. Somewhere along the way, it grew into a collection of meals that friends requested, desserts that disappeared too quickly, and weeknight dinners that made life a little easier.
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