It's easier than you might think...I know I was a bit nervous going into it. Something about pouring vinegar into milk is very unsettling, but the result was tasty and I will definitely do this again!
8 cups whole milk
1/4 cup apple cider vinegar
1-1.5 teaspoon kosher salt
fine mesh seive
clean kitchen towel
cheese press- I improvised and used a bowl, you can too
For more info, pictures and directions see the tutorial here: http://ladiesofcomicazi.com/2013/03/27/how-to-i-made-cheese-gromit/