CLASSIC DELI MACARONI SALAD
makes 900 g · total 2h 25m · tested

This formulation leans into the classic sweet-and-tangy flavor profile
that is universally appealing to younger palates, while utilizing MSG
and specific aromatics to give it an engineered, savory depth. The
secret is achieving a high-viscosity dressing that forces itself inside
the hollow tubes of the pasta, and managing the thermal state of the
starch so the mayonnaise emulsion doesn't break.

INGREDIENTS
  -- The Starch & Mix-Ins --
      454 g   elbow macaroni (dry; 1 standard pound box)
      100 g   celery (finely diced; critical for the classic crunch)
       50 g   carrots (grated; use the small holes of a box grater)
       30 g   Vidalia onion (finely brunoised)
       75 g   bell pepper (diced; optional)
  -- The Heavy Binder --
      220 g   mayonnaise (standard full-fat; avoid olive-oil based)
       30 g   sweet pickle relish (secret weapon: cucumber crunch,
              suspended vinegar)
       15 g   apple cider vinegar
       15 g   dijon or yellow mustard (yellow = nostalgic tint, dijon =
              better emulsifier)
       10 g   sugar
        2 g   garlic powder
        2 g   onion powder
      1.5 g   MSG
        1 g   celery seed (defining background flavor of deli salads)

STEPS
  Prep & Boil
    1. Macerate the Onion: Toss the 30g of diced Vidalia onion with the
       15g of apple cider vinegar. Let it sit for at least 10 minutes to
       kill the harsh, raw bite (acid neutralizes the raw sulfur
       compounds).
    2. The Thermal Shock: Boil the elbow macaroni in heavily salted
       water until just past al dente (macaroni firms up significantly
       when cold). Drain it and immediately rinse it thoroughly under
       cold running water until the pasta is completely cold to the
       touch. Toss it with a few drops of neutral oil so it doesn't glue
       itself into a solid block, and set it aside to dry. Heat is the
       enemy of mayonnaise—if the pasta is even slightly warm, the fat
       will melt out of the mayo, leaving a greasy, broken mess.
  The Binder & Assembly
    1. Construct the Heavy Binder: In a large bowl, whisk together the
       mayonnaise, sweet relish, mustard, sugar, celery seed, garlic
       powder, onion powder, and MSG. Pour the macerated onions (and
       their soaking ACV) directly into this mixture and whisk until
       completely homogenous.
    2. Incorporate & Hydrate: Add the completely cold, dry macaroni, the
       diced celery, and the grated carrots to the mayonnaise binder.
       Fold aggressively from the bottom up. The motion will force the
       thick dressing inside the hollow tubes of the pasta.
    3. The Chill Phase: Cover and refrigerate for at least two hours.
       Starch needs time to absorb the flavors. The cold temperature
       stabilizes the mayonnaise, while the pasta absorbs a small amount
       of the liquid, thickening the salad further. Taste for salt and
       pepper immediately before serving.

EQUIPMENT
  Large pot, colander, large mixing bowl, whisk.

FOOD SAFETY
  Because this is a mayonnaise-based salad, keep it chilled. Do not let
  it sit out at room temperature or in the sun for prolonged periods
  during outdoor serving.

STORAGE
  Keep refrigerated in an airtight container for up to 4 days.

LICENSE
  CC BY 4.0: share and adapt freely, credit longproof and link to
  https://longproof.duckdns.org/recipes/classic-deli-macaroni-salad.txt
  https://creativecommons.org/licenses/by/4.0/