The Loaves and Fishes Cooking School’s summer series of professional culinary classes begins with a beginners’ session Monday through next Thursday at the Bridgehampton Inn. The classes will each include a lecture, demonstration, hands-on session, critique, and cleanup. Topics will include food handling, sanitation, and equipment, knife skills, stocks, soups, and sauces, roasting, poaching, and grilling, and desserts, including making cake batter, pie dough, biscuits, and muffins.