Patatas Alioli, also known as Alioli Potatoes, are a classic Spanish tapas dish consisting of crispy fried potatoes served with a creamy garlic aioli sauce. The potatoes are first boiled until tender, then fried until golden and crispy. The aioli sauce is made by combining garlic, egg yolks, lemon juice, and olive oil until thick and creamy. The combination of the crispy potatoes and the creamy aioli creates a delicious and addictive dish that is perfect as an appetizer or side dish.