Sweet Potato Scalloped Potatoes Recipe

Want a dinner that feels like a million bucks but costs less than ten? This Sweet Potato Scalloped Potatoes is my secret weapon. It turns humble, affordable roots into a stunning centerpiece. If you love sweet potato recipes, you should also try this creamy Carrot Sweet Potato Soup.

You don’t need expensive ingredients to eat well. This savory gratin proves it. It’s creamy, rich, and perfect for a cozy fall meal without the fancy price tag.

I make this for every harvest dinner. It’s the dish that gets everyone asking for the recipe. And I love telling them just how simple and cheap it really is.

Recipe Overview

Here’s what you’re making. Think of it as a hug in a baking dish.

• Cuisine: American
• Category: Side Dish
• Prep Time: 20 minutes
• Cook Time: 1 hour
• Total Time: 1 hour 20 minutes
• Servings: 6-8

Why This Recipe Saves You Money

Let’s talk numbers. This dish is a budget hero for a few smart reasons.

Sweet potatoes and yams are some of the cheapest produce you can buy, especially in fall. They are packed with flavor and nutrition for just pennies per serving.

The recipe uses a simple white sauce instead of pricey cream. A little flour, butter, and milk create incredible richness. You likely have these staples already.

It’s a one-dish wonder. You mix, layer, and bake. That saves on energy and cleanup. Your wallet and your sink will thank you.

My Tips for Smart Shopping on a Budget

I’ve learned a few tricks to keep costs down. These strategies work for all my yam recipes.

Buy sweet potatoes loose, not in pre-bagged nets. You can pick each one and often get them for less. Look for firm skins without soft spots.

Recipe

Sweet Potato Scalloped Potatoes Recipe

Make Sweet Potato Scalloped Potatoes Recipe with simple ingredients and clear steps. Prep, cook, and enjoy—perfect for cozy evenings.

Author: Jennifer McDonallds

Prep: 20 min | Cook: 1 hour | Total: 1 hour

Serves: - 4 + bites

★ Rate 🖨 Print

The Budget-Friendly Ingredient List

• 3 large sweet potatoes (about 2.5 lbs total)
• 3 tablespoons butter
• 3 tablespoons all-purpose flour
• 2 ½ cups milk (whole or 2% works best)
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme (or 1 tbsp fresh)
• ½ teaspoon ground nutmeg
• 1 ½ teaspoons salt
• ½ teaspoon black pepper
• 1 cup shredded cheese (cheddar, gruyere, or a mix)

How to Make It (Step-by-Step)

1

Start by heating your oven to 375°F (190°C). Grease a 9×13 inch baking dish lightly.

2

Scrub the sweet potatoes clean. You can peel them, but I often leave the skins on for extra fiber. Slice them thinly, about ⅛-inch thick. A mandoline helps, but a sharp knife is fine.

3

Now, make the sauce. Melt the butter in a medium pot over medium heat. Whisk in the flour and cook for 1 minute. This cooks out the raw flour taste.

4

Slowly pour in the milk, whisking constantly. Keep whisking until the mixture is smooth and begins to thicken. This takes about 5-7 minutes.

5

Remove the pot from the heat. Stir in the garlic powder, thyme, nutmeg, salt, and pepper. Taste it! This is your chance to adjust the seasoning.

6

Layer half the sweet potato slices in your greased dish. Pour half of the warm sauce over them. Sprinkle with half the cheese.

7

Repeat with the remaining potatoes, sauce, and cheese. Cover the dish tightly with foil.

8

Bake covered for 45 minutes. Then, remove the foil and bake for another 15-20 minutes. The top should be golden and the potatoes tender when pierced with a knife.

9

Let it rest for 10 minutes before serving. This helps the sauce set so you get clean slices.

Notes

Enjoy your homemade Sweet Potato Scalloped Potatoes Recipe!

Nutrition Information

Calories: ~280

Protein: 9g

Fiber: 4g

Vitamin A: Over 200% of your daily need

Vitamin C: Good source

Did You Make This?

Leave a review and tag us on social media!

Grab generic brand spices and dairy. The store-brand butter, flour, and milk work just as well here. No one will know the difference.

Check the frozen aisle for herbs. A bag of frozen thyme is cheaper than fresh and lasts for months. Dried herbs are a great backup, too.

Make this in fall or winter. That’s when root vegetables are at their peak and lowest price. It’s the perfect seasonal move.

The Budget-Friendly Ingredient List

See? Nothing fancy. Every item here has a purpose and a low price.

• 3 large sweet potatoes (about 2.5 lbs total)
• 3 tablespoons butter
• 3 tablespoons all-purpose flour
• 2 ½ cups milk (whole or 2% works best)
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme (or 1 tbsp fresh)
• ½ teaspoon ground nutmeg
• 1 ½ teaspoons salt
• ½ teaspoon black pepper
• 1 cup shredded cheese (cheddar, gruyere, or a mix)

How to Make It (Step-by-Step)

Follow these steps for a perfect, bubbly result. It’s easier than you think.

1. Start by heating your oven to 375°F (190°C). Grease a 9×13 inch baking dish lightly.
2. Scrub the sweet potatoes clean. You can peel them, but I often leave the skins on for extra fiber. Slice them thinly, about ⅛-inch thick. A mandoline helps, but a sharp knife is fine.
3. Now, make the sauce. Melt the butter in a medium pot over medium heat. Whisk in the flour and cook for 1 minute. This cooks out the raw flour taste.
4. Slowly pour in the milk, whisking constantly. Keep whisking until the mixture is smooth and begins to thicken. This takes about 5-7 minutes.
5. Remove the pot from the heat. Stir in the garlic powder, thyme, nutmeg, salt, and pepper. Taste it! This is your chance to adjust the seasoning.
6. Layer half the sweet potato slices in your greased dish. Pour half of the warm sauce over them. Sprinkle with half the cheese.
7. Repeat with the remaining potatoes, sauce, and cheese. Cover the dish tightly with foil.
8. Bake covered for 45 minutes. Then, remove the foil and bake for another 15-20 minutes. The top should be golden and the potatoes tender when pierced with a knife.
9. Let it rest for 10 minutes before serving. This helps the sauce set so you get clean slices.

How to Use Up Every Last Bit (No Waste!)

I hate throwing food away. Here’s how to make sure nothing from this recipe goes to waste.

If you have extra sweet potatoes, roast them with oil and salt for a quick side. You can also mash them for breakfast bowls. They keep well in the fridge. For another hearty meal that uses sweet potatoes, check out this Ground Beef & Sweet Potato Bake.

Leftover shredded cheese? Freeze it in a bag. It’s perfect for melting into soups, omelets, or future gratins. No need to thaw before using.

Got extra milk? Make a batch of pancakes or biscuits. You can also freeze milk in ice cube trays for cooking later. It’s a great trick.

If you have any leftovers of the finished dish, they reheat beautifully. Cover with a damp paper towel and microwave for a minute or two. It makes a fantastic lunch.

Nutrition Notes

This dish is as good for you as it is for your budget. Here’s a quick breakdown per serving.

• Calories: ~280
• Protein: 9g
• Fiber: 4g
• Vitamin A: Over 200% of your daily need
• Vitamin C: Good source

Sweet potatoes are a nutritional powerhouse. They give you energy and keep you full. The milk and cheese add protein and calcium.

Common Questions About This Recipe

Here are answers to the things I get asked most often.

Can I use regular potatoes instead?

Absolutely! Russet or Yukon Gold potatoes work great. The flavor will be more classic, but just as delicious. It’s a flexible recipe.

How do I store and reheat leftovers?

Keep them covered in the fridge for up to 4 days. Reheat in the oven at 350°F until warm, or use the microwave. The sauce might separate a little, but it will still taste amazing.

Can I make this dish ahead of time?

Yes, you can assemble it a day ahead. Cover and refrigerate it before baking. You may need to add 5-10 minutes to the baking time since it will be cold from the fridge.

This sweet potato scalloped potatoes recipe is proof that eating well doesn’t require a big budget. It’s about being smart with what you have. A few simple ingredients can create something truly special for your table. For a fun and easy appetizer version, these Sweet Potato Bites are always a hit.

I hope this becomes your new go-to for a comforting, affordable meal. It’s a staple in my home for good reason. Let me know your own money-saving twists for this savory gratin in the comments below! Please leave a rating!