Air-Fried Potatoes and Cherry Tomatoes with Feta

Ingredients

• 3 tablespoons (1.6 oz or 45 g) unsalted butter
• 1/2 cup (1 oz or 30 g) scallions, chopped
• 2.2 pounds (1 kg) new potatoes, cut into wedges
• 2 cups (11 oz or 300 g) cherry tomatoes, quartered
• 1/4 cup (15 g) parmesan cheese, grated
• kosher salt and freshly ground black pepper