
Grandma's Treasured Orange Spud Delight
Family gatherings at my grandma's cozy kitchen always featured this delightful sweet potato dish. Her tiny cooking space somehow produced the most unforgettable casserole packed with velvety orange spuds, dark sugar, melted butter, and warm spice notes. Nothing beats those crunchy nuts and melty marshmallows creating the perfect topping. I've dished this up at countless family meals and watch faces light up every single time.
The Foolproof Appeal Of This Dish
What's great about this dish is how quickly it comes together. You can get it ready while your main course cooks and it won't empty your wallet. There's something magical about the blend of soft potatoes, crunchy nuts and those perfectly browned marshmallows. My little ones always scramble to grab the edges where the topping gets extra crispy.
Your Ingredient Checklist
- 3 pounds sweet potatoes: Go for fresh ones but in a rush canned works too (3 big cans does the trick).
- ½ cup brown sugar: The dark variety adds that deep richness I can't get enough of.
- ⅓ cup butter: I stick with the salted kind for this dish.
- ½ teaspoon vanilla extract: Even a tiny bit makes everything taste better.
- ¾ cup chopped pecans: Keep some for sprinkling on top where they get perfectly toasted.
- ¼ teaspoon cinnamon: It'll fill your home with the coziest aroma.
- 2 cups miniature marshmallows: Tiny ones create a better melt than larger marshmallows.
- Salt and black pepper: Add just enough to bring out the flavors.

Cooking Steps Made Easy
- Setting Up
- Crank your oven to 375°F and grease your 9 x 13 dish with butter.
- Prepare Your Spuds
- Simmer those peeled and diced sweet potatoes in water until they squish easily with a fork around 15 minutes.
- Mix It Up
- Smash the potatoes and stir in your sugar butter vanilla cinnamon and seasonings until everything looks smooth and combined.
- Add Texture
- Toss in half the pecans and transfer everything to your prepared dish.
- Finishing Touch
- Cover the top with your marshmallows and leftover pecans.
- Bake Away
- Let it cook for about 25 minutes until you get that perfect golden brown topping.
Clever Cooking Tricks
Need to save time? Tackle the potato prep the evening before. I personally enjoy some chunks in my mash though my sister goes for completely smooth with her electric mixer. When nobody's watching I sometimes add a dash of bourbon which brings an amazing depth to the flavor.
Plan-Ahead Pointers
This dish works great made in advance. I often fix the sweet potato mixture a couple days before big events. Just store the topping separately until baking time. Remember to let the potato mix warm up on the counter then bake for 20 minutes before adding toppings and cooking another 15 minutes.

Frequently Asked Questions
- → Can I prep this ahead of time?
Yes, you can prepare it up to two days in advance. Keep the topping separate, and let it warm up on the counter for half an hour before baking.
- → Do I have to add both marshmallows and pecans?
Nope, you can skip one or both! Some folks stick to just pecans or marshmallows.
- → How do I check if the sweet potatoes are boiled enough?
Use a fork to poke them. If they’re soft, they’re good to go! It usually takes about 15 minutes.
- → Why did my marshmallows burn?
Keep an eye on them during the last five minutes! If they’re browning too fast, throw some foil over the dish.
- → Can I cut back on the sugar?
Absolutely! Sweet potatoes are naturally sweet. Start with just half the brown sugar and adjust to taste.