and continue with the recipe from Step 2. Other Cheeses for Shortbread: Try Gruyère, Emmental, manchego, or another semihard melting cheese instead of the cheddar. Parmesan works well too.

Without reading the recipe, I envisioned a mac & cheese like an egg strata where you soak the raw pasta overnight and ... whole milk, sharp cheddar and a cheesy top instead of breadcrumbs.