Oven-Roasted Sweet Potatoes and Onions Recipe (2024)

FAQs

Why are my roasted sweet potatoes not crispy? ›

I've found that sweet potatoes really need space for a truly roasted, crisped-edge result. Aim for about one inch of space between pieces. This leads to good, dry, hot airflow that will let the potato pieces' moisture evaporate while letting them dry and crisp up more.

The cold water bath helps rinse the starch off the sweet potatoes so they're a bit more crispy. That said, if you do not have the time, you can still get crispy baked sweet potato fries by using high heat and a little drizzle of olive oil.

topping ideas:

dollop of greek yogurt, or tzatziki. a scoop of guacamole. a drizzle of creamy avocado cilantro lime dressing.

Don't Overcrowd Your Baking Sheet

The secret to crispy (instead of soggy) sweet potato fries is to spread them out in an even layer with enough room so that they don't touch. This is especially important if you're making a big batch of fries.

If you want to make this roast potatoes day before recipe and keep the potatoes crispy, ensure you put them in hot oil before baking them. This will help the potatoes stay crispy. If you're preparing roast potatoes in advance and find they have gone soggy in the fridge.

If it still feels firm, I'd put it back in the oven for another 15 minutes. Expert tip! Drop your baked sweet potato from about 10 inches above onto a cutting board or the baking pan.

No, there is no need to soak sweet potatoes before roasting. What temperature should I bake my sweet potatoes? Bake sweet potatoes at a high temperature. We find that anything between 400°F and 450°F works well.

Wrapping sweet potatoes in foil helps in a few ways. It prevents the exterior of the tuber from drying out and overheating too quickly, which would minimize enzymatic activity; it also results in a more evenly cooked texture.

They're dirty! Washing the sweet potatoes not only eliminates actual particles of dirt, but it also introduces some moisture to the skin, which prevents it from turning tough or leathery in the high heat of the oven.

Browning butter packs in tons of flavor, without dulling the sweet potatoes. Slow-roasting the sweet potatoes activates endogenous enzymes that bring out their natural sweetness. A touch of maple syrup, butter, and a bit of chopped thyme are the only embellishments these naturally sweet sweet potatoes need.

Why are roasted sweet potatoes so good? ›

The salt and pepper accent the potatoes' sweetness, creating a delectable sweet and savory flavor. I also love how the cubes puff up as they bake, becoming lightly crisp and caramelized on the outside and tender in the middle. And third, they're just so versatile.

The longer and slower you cook a sweet potato, the more maltose is formed and the sweeter it will taste. So if you want a much less sweet potato try steaming it, or cut it into small pieces and roast on a higher heat.

Once they've been cooked, however, they should go in a shallow airtight container or zip-top bag in the fridge. They'll stay good there for about five days. Tip: You shouldn't leave cooked sweet potatoes at room temperature for more than two hours, as this can promote bacteria growth and cause foodborne illness.

Potatoes can react like sponges; too much oil can make your potatoes appear to be soggy. Try placing oil in a spray bottle or using an aerosol to apply the oil to the potatoes. Lastly, ensure that the potatoes are dry before you add the oil.

Parboiling the potatoes is a good start, but if they're not getting crispy during roasting your temperature isn't high enough or there's too much moisture.

Though larger ones might seem appealing, according to our friends at Real Simple, smaller sweet potatoes tend to be sweeter and creamier than larger ones, which are usually starchier. Also, the sweet potato should be firm to the touch. If it's soft or limp, it's probably already starting to go bad.

How to tell if sweet potatoes have gone bad. If your sweet potato is soft in spots, smells rotten, or oozes a mysterious liquid, that potato should be discarded. Another sign that sweet potatoes have taken a turn for the worse is if they start growing stalky purplish sprouts.