You know the feeling. It's Friday, 7:45 p.m., the dining room is full, and a server tells you the kitchen just ran out of the protein on your best-selling dish. Now you're 86ing an item during peak, comping desserts to smooth it over, and mentally drafting an apology to the regulars who came in for exactly that plate. Or the opposite problem: you over-ordered because you weren't sure how much you had, and now there's $600 of produce quietly wilting in the walk-in. Manual reordering costs you...

Food is the single biggest thing most restaurants buy, and it's the cost that moves the fastest. Prices shift with every delivery, portions drift when the kitchen gets busy, and product spoils quietly in the back of the walk-in. Left unwatched, food cost is where a restaurant's profit slips away a little at a time - rarely in a way you'd notice on any single day, but unmistakably by the end of the month. The operators who stay profitable aren't the ones paying the least for ingredients....

Almost every expensive mistake in a restaurant traces back to the same root cause: someone guessed how busy it would be, and guessed wrong. Order too much and product rots in the walk-in. Order too little and you're 86'ing dishes by 8pm. Schedule too many people and you've paid for labor you didn't need. Schedule too few and service falls apart on your busiest night of the year. Forecasting is how you stop guessing. At its simplest, it's the practice of using what you already know — your...