Baked Sweet Potato Slices
Baked Sweet Potato Slices is a easy American recipe that serves 4. 300 calories per serving. Recipe by Cooking With Ayeh on YouTube.
Prep: 15 min | Cook: 45 min | Total: 1 hr 20 min
Cost: $7.20 total, $1.80 per serving
Ingredients
- 2 large Sweet Potatoes (peeled and sliced into 1/8-inch rounds)
- 2 tablespoons Olive Oil (extra-virgin preferred)
- 4 cloves Garlic (minced)
- 1 teaspoon Fresh Thyme (leaves only, finely chopped)
- 1 teaspoon Salt (kosher or sea salt)
- 0.5 teaspoon Black Pepper (freshly ground)
- 1 cup Parmesan Cheese (freshly grated)
- 0.5 cup Mozzarella Cheese (shredded, for topping)
Instructions
Slice Sweet Potatoes
Using a sharp knife or mandolin, cut the peeled sweet potatoes into thin, even rounds about 1/8‑inch thick.
Time: PT5M
Season the Slices
Place the slices in a large mixing bowl. Drizzle with olive oil, add minced garlic, chopped thyme, salt, pepper, and 1 cup grated Parmesan. Toss until every slice is evenly coated.
Time: PT5M
Arrange in Baking Dish
Spread a thin layer of the seasoned slices in a spiral or overlapping pattern in a 9×13‑inch baking dish, creating a tight stack. Sprinkle the remaining mozzarella and a little extra Parmesan on top.
Time: PT5M
Initial Covered Bake
Cover the dish tightly with aluminum foil and place it in a pre‑heated oven.
Time: PT30M
Temperature: 190°C
Uncover and Caramelize
Remove the foil and continue baking until the top is golden, the edges are sizzling, and the potatoes are tender when pierced with a fork.
Time: PT15M
Temperature: 190°C
Rest and Serve
Allow the bake to rest for 5 minutes before slicing and serving.
Time: PT5M
Nutrition Facts
- Calories
- 300
- Protein
- 6g
- Carbohydrates
- 35g
- Fat
- 12g
- Fiber
- 4g
Dietary info: Vegetarian, Gluten-Free
Allergens: Dairy
Ingredient Substitutions
- Instead of Sweet Potatoes: Butternut squash, Regular potatoes
- Instead of Olive Oil: Canola oil, Avocado oil
- Instead of Garlic: Garlic powder (1 tsp), Shallots (2, minced)
- Instead of Fresh Thyme: Dried thyme (1/2 tsp), Italian seasoning (1 tsp)
- Instead of Salt: Fine table salt
- Instead of Black Pepper: White pepper
- Instead of Parmesan Cheese: Pecorino Romano, Nutritional yeast (for vegan option)
- Instead of Mozzarella Cheese: Cheddar cheese, Vegan mozzarella
Equipment Needed
- Knife or Mandolin
- Cutting Board
- Mixing Bowl
- Measuring Spoons
- Grater
- Baking Dish
- Aluminum Foil
- Oven Mitts
Critical Steps — Do Not Skip
- Evenly coating each sweet potato slice with oil, garlic, and cheese.
- Covering the dish tightly with foil for the first 30 minutes.
- Uncovering and baking until the top is caramelized and cheese is bubbly.
Chef Tips from the Video
- A mandolin gives perfectly uniform slices, which leads to consistent texture.
- Dry the sliced potatoes with a paper towel before tossing with oil to avoid excess moisture.
- For extra flavor, add a pinch of smoked paprika to the seasoning mix.
Troubleshooting
Potatoes are still firm after the covered bake.
Continue baking covered for an additional 10‑15 minutes, or increase the oven temperature to 200°C.
Cheese is not melting or browning.
Make sure the foil is fully removed and bake an extra 5‑7 minutes, or finish under the broiler.
The bake is watery/soggy.
Pat the sliced potatoes dry before seasoning and increase the uncovered baking time to allow excess moisture to evaporate.
Storage
Refrigerator: Store leftovers in an airtight container for up to 3 days. Reheat in the oven at 180°C until hot.
Freezer: Cool completely, then wrap tightly with foil and freeze for up to 2 months. Thaw overnight in the fridge before reheating.
Room temperature: Do not leave at room temperature for more than 2 hours.
Make-Ahead Tips
- Assemble the entire bake up to the foil‑cover step and refrigerate overnight; bake as directed before serving.
- The dish can be frozen after assembling (unbaked) and baked straight from frozen, adding an extra 10‑15 minutes to the uncovered baking time.
Frequently Asked Questions
What is the cultural significance and history of a sweet potato bake in American holiday cuisine?
Sweet potatoes have been a staple of American Thanksgiving and Christmas tables since the 19th century, especially in the South where they are prized for their natural sweetness. Over time, the dish evolved from simple mashed sweet potatoes to layered casseroles topped with marshmallows or cheese, making the cheesy garlic version a modern, festive twist.
What are traditional regional variations of sweet potato casseroles in the United States?
In the Southern United States, sweet potato casseroles are often topped with toasted marshmallows or pecan streusel. In the Northeast, they may be mixed with brown sugar and butter. The cheesy garlic version featured by Cooking With Ayeh reflects a contemporary, savory take that blends Southern sweetness with Italian-inspired cheese.
How is a cheesy garlic sweet potato bake traditionally served during Christmas celebrations in American households?
It is typically served hot from the oven as a side dish alongside roasted meats, green bean casseroles, and cranberry sauce. The bake is placed on a warming tray or covered with foil to keep it moist and is often the centerpiece of the vegetable spread on the holiday table.
What occasions or celebrations is the cheesy garlic sweet potato bake traditionally associated with in American culture?
The dish is most popular during Thanksgiving and Christmas, but it also appears at family gatherings, potlucks, and New Year’s celebrations where a comforting, crowd‑pleasing side is desired.
What authentic ingredients are essential for a traditional American cheesy sweet potato bake, and what are acceptable substitutes?
Core ingredients include sweet potatoes, butter or olive oil, garlic, fresh thyme, and a hard cheese such as Parmesan or Pecorino. Substitutes can be butternut squash for the potatoes, mozzarella for a milder melt, or nutritional yeast for a vegan version.
What other American side dishes pair well with the cheesy garlic sweet potato bake?
It pairs beautifully with roasted turkey or ham, green bean almondine, cranberry sauce, and a simple mixed greens salad with vinaigrette. The savory, cheesy flavor balances the sweetness of cranberry and the acidity of a salad.
What are the most common mistakes to avoid when making the cheesy garlic sweet potato bake?
Common errors include slicing the potatoes too thick, which leads to uneven cooking; not coating the slices evenly with oil and cheese; and removing the foil too early, which prevents the potatoes from becoming tender before caramelizing.
Why does this recipe use a covered bake for the first 30 minutes instead of starting uncovered?
Covering traps steam, allowing the sweet potato slices to soften quickly without drying out. This step ensures a tender interior before the final uncovered stage creates a crispy, caramelized top.
Can I make the cheesy garlic sweet potato bake ahead of time and how should I store it?
Yes, you can assemble the bake up to the foil‑cover step, refrigerate overnight, and bake as directed before serving. For longer storage, freeze the assembled (unbaked) dish, then bake from frozen, adding extra uncovered time.
What does the YouTube channel Cooking With Ayeh specialize in?
The YouTube channel Cooking With Ayeh focuses on approachable, family‑friendly recipes that blend comfort food with seasonal twists, often highlighting simple techniques and ingredient swaps for busy home cooks.
How does the YouTube channel Cooking With Ayeh's approach to holiday side dishes differ from other cooking channels?
Cooking With Ayeh emphasizes quick preparation, minimal equipment, and flavor‑forward seasoning like garlic and fresh herbs, whereas many channels rely on heavier sauces or pre‑made mixes. Ayeh’s videos also include clear visual cues for layering and caramelization.
Last updated: August 21, 2026
