There's a high chance that you cook pasta and potatoes on a regular basis, and we're also going to go ahead and assume that you simply pour the cooking water down the drain when you're done. But what if we told you that you could use this water for something else? This grandma hack has been around for a while and involves pouring your pasta or potato water into your cooking sauces.
The starch in the water will bring out the richness of the ingredients in the sauce and give it that extra depth of flavor. Plus, it means the water isn't going to waste.