Ingredients
Method
- Boil the shells until tender, reserve 1 cup pasta water and drain.
- Bring the water and sodium citrate to a simmer in a wide saucepan.
- Add evaporated milk, then whisk in cheddar and American cheese a handful at a time over low heat.
- Season with salt and keep the sauce below a boil.
- Fold in shells and add reserved pasta water until the sauce is glossy and flowing.