Do Sweet Potatoes Actually Take Longer To Roast Than Regular Potatoes? - Tasting Table
Briefly

Potatoes, particularly white and sweet varieties, are versatile and nutritious, with distinct differences despite their similarities. Cooking times vary based on size and type. Roasting requires uniform cutting for even cooking; for example, Yukon Gold and sweet potatoes should be cut to one-inch pieces and roasted with timing adjustments. Unique temperature settings, such as 350°F for sweet and 425°F for white potatoes, affect cooking duration. Mastering these techniques enhances the roasting experience, leading to tasty results.
When preparing any type of potato for roasting, it's vital that you chop them into similarly sized pieces to ensure everything gets consistently cooked in the roasting process.
Roasting times can vary significantly based on potato size, temperature, and type, with minor adjustments leading to better culinary outcomes.
Read at Tasting Table
[
|
]