MAC AND CHEESE
YIELD: five servings (800 g/S cups) 
TIME ESTIMATE: 30 minutes overall
STORAGE NOTES: serve pasta immediately; cheese sauce keeps for 1 week when refrigerated
or up to 2 months when frozen
LEVEL OF DIFFICULTY: moderate
SPECIAL REQUIREMENTS: sodium citrate
This recipe has been one of the most popular in Modernist Cuisine Elbow macaroni is the classic pasta for Mac and Cheese, but any
since that book appeared. Use it as a template to create your kind of pasta works. Those varieties having a rough surface hold 
version of a refined and cheese. There are so many potentially the sauce better. Although cheese lovers might be tempted to boost
great cheese mixes and accompaniments that it was hard to pick just  the sauce-to-pasta ratio, keep in mind that the sauce is very rich.
the six that we have space for here. A little goes a long way.
INGREDIENT WEIGHT VOLUME SCALING PROCEDURE
Water or milk 265 g 265 ml/1⅛ cups 93% 1. Combine in a pot, whisk to dissolve, and bring to a simmer over medium
Sodium citrate 11 g   4%      heat.
White cheddar cheese,  285 g 4 cups 100% 2. Add into the simmering liquid gradually, blending each addition with an
finely grated     immersion blender until melted and completely smooth.
Water as needed for cooking the pasta   3. Bring a large pot of water to a boil
Dry macaroni 240g 2 cups 84% 4. Boil until al dente according to the package directions, 5—6 minutes.
5. Drain. Do not rinse the pasta.
6. Stir in the warm cheese sauce, and fold in any accompaniments you wish 
     to add (see the variations below)
Salt to taste     7. Season the mac and cheese, and serve it immediately.