This Earl Grey chiffon cake recipe is a secret recipe that is perfect for any tea lover. The cake is light and airy, with a subtle Earl Grey flavor. The secret to this recipe is the use of high-quality Earl Grey tea leaves, which are steeped in milk to create a tea-infused milk. The milk is then used to flavor the cake and give it its delicate flavor. The cake is perfect for a tea party and can be served with a dollop of whipped cream or a lemon curd.