K is for Ketchup. L is for Louis Sauce, the piquant mayonnaise in Crab Louis. M is for Marinara, the spicy red sauce on your spaghetti and meatballs. N is for Nam Pla, a salty, fermented fish sauce crucial to Thai cuisine. O is for Oyster Sauce, a popular Asian seasoning made from oysters and soy sauce.
P is for Pesto, the best that ever happened to basil.
Q is for Quick-Cooking Pan Sauces, made in minutes with a few aromatic ingredients. R is for Remoulade, a mixture of mayonnaise, mustard, capers, gherkins and anchovies. S is for Salsa, and it means sauce in both Italian and Spanish. T is for Tartar Sauce, and it's a must for fried fish and shrimp. U is for d'Uxelles, an enrichment of finely chopped mushrooms and shallots.