Boil and mash potatoes until smooth; let them cool slightly.
In a large bowl, combine mashed potatoes, cottage cheese, Greek yogurt, and protein powder until creamy.
Whisk eggs separately, then add to the bowl with garlic, onion powder, salt, and pepper. Fold in shredded cheese.
Spray a nonstick mini muffin pan and spoon mixture evenly. Lightly spray tops with olive oil.
Oven: Bake at 400°F (200°C) for 20–25 minutes until golden.
OR
Air Fryer: Cook at 375°F (190°C) for 10–12 minutes until crisp.
Cool & serve.
Let rest 5 minutes before removing. Garnish with chives and enjoy warm!