Pasta: al dente, then finish in the sauce
Taste a piece a minute before the box time. "Al dente" — to the tooth — means a slight firm resistance at the center. Drain while it is still a touch underdone, reserve a cup of the starchy cooking water, and finish the pasta in the sauce for a minute so it absorbs flavor and the sauce clings. The starchy water is your emulsifier.
Vegetables: crisp-tender is the target
Most green vegetables are best crisp-tender: cooked through but still with a bite and a vivid color. A paring knife should slide in with light resistance. Overcooked greens go grey and lose both texture and nutrients. For an exact texture, shock blanched vegetables in ice water to stop the cooking instantly.
Grains: absorb, then rest
Rice and most grains cook by absorption — a fixed ratio of liquid that should be fully absorbed when done. Resist lifting the lid; the steam is doing the work. Once the liquid is gone, pull it off the heat and let it rest covered for 5-10 minutes, then fluff with a fork. Cooking a big batch of grains on Sunday is a cornerstone of the prep blueprints, and roasted vegetables are the perfect partner.