Reheat before serving in microwave( for 1 min HIGH) or on stove top in a pan. You can add 2 tbsp-1/4 cup water depending on how dry your pasta is. You can re-heat pasta in oven/otg. Keep it covered with aluminum foil at preheat heat mode. IF the pasta is still isn't heated properly then cook for about 5-10 mins depending on the quantity of pasta. Stir it thoroughly so that there aren't any cold pockets left.