When I say coffee here, I mean what people call espresso. All fancy coffees, including latte, mocha, cappuccino (I forgot how to spell it … sorry) macchiato and so on, are based on Expresso and other ingredients. So the first step is of course to make coffee.
After making the coffee, heat a deep cup, and then add the hot milk first. The supermarket should have that kind of milk specially for coffee. Don't use what you usually drink, it's too thin, and don't add a partner. Adding a partner is what junk instant coffee does. If you want to make an emotional latte, don't add it.
Then add coffee, put the milk foam on it, and make a flower if you have the skills, because I am limited to theory and taste, and I can't teach you how to make a latte without actually making it myself. ...
PS: Milk foam means that milk is foamed with a foaming device ~ ~ ~ The eggbeater should be able to achieve that effect.