Crispy Sweet Potatoes with Cinnamon

The first time I made these, I was trying to use up some sweet potatoes that had been sitting on my counter for days. My apartment filled with this warm, cinnamon sugar smell that had my roommate wandering into the kitchen asking what bakery had opened in our living room. They became so addictive that we ate half the batch straight off the baking sheet while standing over the stove.

Last Thanksgiving, I made these as a last minute addition to the spread, figuring they would be a filler side dish. My aunt actually asked for the recipe before she even touched the turkey, and now every family gathering includes a massive batch of these cinnamon sweet potato rounds. They have this way of disappearing faster than anything else on the table.

Ingredients

• 2 large sweet potatoes: I have learned that picking ones that feel heavy for their size means more flesh to work with and better caramelization in the oven
• 2 tbsp olive oil: This helps the cinnamon and salt actually stick to the slices instead of sliding right off during roasting
• 1 ½ tsp ground cinnamon: Do not be shy with this cinnamon, it creates this incredible aromatic crust that makes the whole house smell amazing
• ½ tsp sea salt: A little salt is crucial because it balances the sweetness and brings out the natural earthy flavor of sweet potatoes
• ¼ tsp freshly ground black pepper: Just a tiny pinch adds this subtle warmth that most people cannot quite put their finger on but definitely notice
• Optional maple syrup or honey: I only add this when I want them sweeter, maybe for brunch or as a dessert-ish snack
• Fresh chopped parsley: Mostly for looks but that little pop of green makes them feel fancy enough for company

Instructions

Preheat and prepare your baking surface:

Get your oven to 220°C and line that baking sheet with parchment paper unless you enjoy scrubbing roasted sugar off metal for twenty minutes

Coat the slices:

Toss everything in that big bowl until every single round is glistening with oil and dusted with spice

Arrange for maximum crispiness:

Lay them out in a single layer without overlapping, seriously do not crowd them or they will steam instead of roast

The flip halfway through:

After 15 minutes, flip each slice and watch them turn golden brown and gorgeous

Optional finishing touches:

Drizzle with maple syrup while they are still hot so it melts into every crevice

Save

My niece, who is notoriously picky about vegetables, once ate eight of these in one sitting and asked if I could make them every time she comes over. Watching someone discover that vegetables can actually be exciting food has been one of my favorite cooking moments ever.

Getting The Perfect Slice

I used to struggle with getting even slices until I invested in a simple mandoline slicer, and it made such a difference in how uniformly they cook. Even slices mean some are not raw while others are burnt, and the texture across the whole batch is consistent.

Temperature Matters

That high 220°C heat is what creates the caramelized edges while keeping the inside tender. Lower temperatures will cook them through but you miss that magical crispy exterior that makes these special.

Flavor Variations To Try

Sometimes I switch things up depending on what I am serving them with or just what mood I am in. The basic cinnamon version is classic but these other combinations have become regulars in my rotation too.

• A pinch of cayenne pepper creates this sweet heat combination that is absolutely addictive
• Smoked paprika instead of cinnamon transforms them into something savory and umami rich
• A mix of cinnamon and nutmeg gives them this cozy holiday spice blend feeling

Save

There is something so satisfying about taking a simple vegetable and turning it into something people get excited about eating. These sweet potato rounds have become my go to for proving that healthy food can be genuinely delicious.

Recipe FAQs

→ How thin should I slice the sweet potatoes?

Slice the sweet potatoes into 1/4-inch rounds for optimal results. This thickness allows the edges to become crispy while the centers remain tender. A sharp knife or mandoline works best for achieving uniform slices.

→ Can I make these ahead of time?

These are best served fresh from the oven when the edges are at their crispiest. You can slice the sweet potatoes up to a day in advance and store them in water to prevent browning. Pat them completely dry before tossing with oil and spices.

→ What temperature works best for crispy results?

Roasting at 220°C (425°F) creates the ideal balance between crispy edges and tender centers. The high heat caramelizes the natural sugars quickly while allowing the interior to cook through without becoming mushy.

→ How do I prevent soggy sweet potatoes?

Avoid overcrowding the baking sheet, as this creates steam and prevents crisping. Arrange slices in a single layer without overlap. Make sure the sweet potatoes are patted dry before tossing with oil, and use the full recommended amount of oil for even coating.

→ Can I use other spices instead of cinnamon?

Absolutely. Smoked paprika works beautifully for a savory version, or try a blend of garlic powder and rosemary. A pinch of cayenne pepper adds subtle heat, while nutmeg complements the natural sweetness similarly to cinnamon.

→ Should I peel the sweet potatoes?

Peeling is recommended for the most tender texture, but you can leave the skin on if you prefer added fiber and a rustic appearance. If keeping the skin, scrub the sweet potatoes thoroughly before slicing.