It's hard keeping up with the Joneses. He's an author, she's an editor, now they are prize-winning cookbook team. Evan and Judith Jones are being presented today with the "Tastemaker Award" for the outstanding cookbook of 1982 for their collaborative effort simply titled "The Book of Bread" (Harper and Row, $16.95).

The two are no strangers to Tastemakers, awarded by mustard-maker R.T. French company. Evan Jones won a 1975 Tastemaker for his first cookbook, "American Food, the Gastronomic Story." Judith Jones, senior editor for Alfred A. Knopf publishers, has edited several winners, including "Julia Child and Company" (1978) and "The New James Beard" (1981).

About 115 books were nominated for the 17th annual competition, from which the following winners were chosen:

* Basic/General: "The La Varenne Cooking Course," Anne Willan, 400 pages, $34.95, William Morrow and Co., Inc. This is Willan's fourth Tastemaker award. Her book on French cooking includes information on utensils, ingredients and techniques.

* American: "Connecticut a la Carte," edited by Melinda M. Vance, 411 pages, $19.95, Connecticut a la Carte of West Hartford, Conn. A fund-raising cookbook for five Hartford arts organizations, this book includes New England recipes like Blueberry Johnny Cake.

* International: "Giuliano Bugialli's Classic Techniques of Italian Cooking," Giuliano Bugialli, 526 pages, $19.95, Simon & Schuster. This native Italian uses 50 menus and hundreds of recipes to explore regional Italian specialties and haute cuisine.

* Specialty: "John Clancy's Christmas Cookbook," John Clancy, 165 pages, $17.50, Hearst Books. Clancy is a New York restaurateur with expertise in entertaining.

* Natural Foods/Special Diet: "Better Homes & Gardens Dieter's Cookbook," edited by Joyce Trollope, 384 pages, $24.95, Meredith Corp. A fifth Tastemaker for Better Homes and Gardens. The recipes in this book are made with fewer fats, sugar and salt.

* Original Soft Cover--Basic/General: "Easy Basics for Good Cooking," Janeth Nix, Elaine Woodard and other editors of Sunset Books and Sunset Magazine, 192 pages, $9.95, Lane Publishing Co. A sixth winner for Sunset, this book uses step-by-step photographs.

* Original Soft Cover--Meat/Fish/Eggs: "The Great East Coast Seafood Book," Yvonne Young Tarr, 393 pages, $12.95, Random House. The 400 recipes for Atlantic fish include instructions for grilling, smoking and pickling, in addition to more conventional preparations.

* Original Soft Cover--International/American Regional: "Middle Eastern Cooking," Rose Dosti, 192 pages, $9.95, HP Books. Recipes and color pictures highlight the Arab lands, Greece, Turkey, Iran and North Africa.

* Original Soft Cover--Specialty: "Vegetable Cookery," Lou Seibert Pappas, 192 pages, $7.95, HP Books. From artichokes and kohlrabi, chayote to zucchini, the entire book is devoted to the food that growing numbers of Americans shop for--fresh vegetables.