Egg tart liquid is easy to make, just mix eggs, milk, sugar and condensed milk and pour into the tart crust and bake. When making the tart, you need to pay attention to the proportion and mix gently to avoid excessive bubbles. When baking, pay attention to the oven temperature and time, so as not to burn or overbake. The tart liquid is smooth and flavorful, and the tart crust is crispy, making it a delicious snack.