The secret to creating successful latte art? It’s all in the milk. Whole milk, that is. Full fat. Although you can create latte art with lower-fat or non-fat milk or an alternative like oat milk, it takes more skill. Coffee shops offering alternative milk use a barista series with higher fat content. “The key factor is getting the milk just right,” said Jacob Ainsworth, retail director at Novo Coffee, who has taught the company’s latte art classes for the past year. “It’s less about the coffee temperature.