The simplest swap is to use the pasta water itself. After you drain your cooked noodles, reserve about a quarter cup of that starchy, salty water. This is liquid gold for your cheese sauce. The starch from the pasta helps the cheese powder emulsify into a silky, clingy sauce that hugs every elbow.
Here’s the step-by-step: Cook your pasta, scoop out that reserved water, then add the cheese powder directly to the hot pasta. Stir like you mean it! Then, add just a tablespoon or two of the reserved water at a time. You’ll see the sauce come together like a delicious science experiment. No clumps, just pure, cheesy joy.
If you want to mimic the richness of milk without actually using it, try adding a tiny pat of butter (about a teaspoon) to the sauce. It adds a silky mouthfeel and a faint buttery flavor that makes it feel “complete.” Trust me, your taste buds will never miss the milk.