Roasted Purple Sweet Potato Fries with Lemon Aioli

Slice 2 large purple sweet potatoes and coat them in olive oil, salt, and pepper. Roast them on 425°F (220°C) for 30 minutes. Once roasted, top with shredded parmesan and parsley. For the lemon aioli dip, whisk together 2 tablespoons of mayonnaise, 1 tablespoon of shredded parmesan, the juice of 1/2 lemon, 1 tablespoon of olive oil, a pinch of salt, and 2 tablespoons of finely chopped parsley.