"Repetition is the key to mastery...," a high school teacher once said, and from then on, I have always remembered that quote which I often tell my own students. My husband who is a professor of Mathematics also applies the same principle (he refers to it as redundancy) in teaching. Well, today, I applied the principle in the kitchen as I cooked two dishes for the second time: Sinigang sa Mangga (Pork Rib Stew in Unripe Mango) and Baked Pompano in Orange Balsamic Vinaigrette . Last week, I featured Shrimp Stew in Unripe Mango (Sinigang na Hipon sa Mangga) , a modification of the original Sinigang sa Mangga (Pork Rib Stew in Unripe mango), a recipe I got from the September 2012 issue of Yummy Magazine . I'm still bothered by allergic cough that explains my craving for something sour so I decided to give the dish a second try. This time, while I followed the original recipe by using pork ribs, the only modification I applied was, instead of sauteing, I just boiled th...