Chocolate Milk

I was craving chocolate milk, so I found a recipe on Pinterest. Here's what I use:

2 cups whole milk

1 T cocoa

1+ T powdered sugar

1/2 t vanilla

I like to use a heaping tablespoon of powdered sugar and slightly less than a tablespoon of cocoa. But I can't seem to mix the ingrediants by hand. After mixing them in the Nesspresso, my milk is rather foamy:

After leaving it in the fridge for about 15 minutes, it settles to this:

Which can be stirred to this:

And, naturally, enjoyed to this: