1.
Stir
Elbow Macaroni (4 1/2 cups)
,
Butter (2 Tbsp)
,
Yellow Mustard (1 Tbsp)
,
Hot Sauce (1 tsp)
,
Salt (1 Tbsp)
, and
Water (4 cups)
in the Instant Pot. Lock the lid and cook on high pressure for 4 minutes. Quick release the pressure and remove lid.
2.
Turn on Sauté Setting. Stir in the
Evaporated Milk (12 fl oz)
. Add
Sharp Cheddar Cheese (4 cups)
and
Parmigiano-Reggiano (1 2/3 cups)
one handful at a time, stirring constantly allowing cheese to melt between each handful.