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The past few times I've made my homemade mac and cheese, it hasn't come out all that great. The sauce was a little gritty and tasted almost dry. It occurred to me later that I was using the pre-shredded packaged cheese, which I don't normally use. I switched back to the block cheese that I grate myself, and it came out perfectly again. So if you've done the same thing, and your results haven't been fabulous, try going back to block cheese and put a little elbow grease into grating it yourself. Another tip: because I use a combination of mozzarella and cheddar cheese for my sauce, I often use my food processor to grate entire blocks of both at one time. This is far more cheese than you need for one batch of mac and cheese, but the grated cheese freezes beautifully and is all ready for you the next time you need it.
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For those who need it, here's the sort-of-recipe:
Melt 2 tablespoons butter over medium heat. Add 2 tablespoons flour and cook for 1-2 minutes. Add one cup milk, and whisk constantly until it starts to thicken. If it gets too thick, add more milk slowly, up to one additional cup (I find how thick my white sauce gets depends on whether I am using skim, 1%, or 2% milk. It's an inexact science, but you'll get the hang of it.) Once you have a nice thick-but-not-too-thick white sauce going, turn off the heat and whisk in 1 cup each of cheddar and mozzarella cheese (disclosure: I vary these amounts all the time, because I just throw the cheese in by the handful until it gets as cheesy as I want it) (wow, it's harder than you would think to write down recipes for food preparation that just floats around in your head).
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This is THE best whisk for making the cheese sauce. The flat bottom lets you get all the nice floury bits at the bottom of your pan and helps ensure your sauce isn't lumpy. If you don't have one, get one! You will use it all the time.
