Cheese Souffle from 52 Fridays Meatless Menus and Recipes, Ethel M. Keating, 1957:
Yes, we have the cookbook. See it here: https://vintagecookbook.com/product/52-fridays-meatless-menus-and-recipes/
52 Fridays: Meatless Menus and Recipes. By Ethel M. Keating. Published by The Bruce Publishing Company, Milwaukee. 1957. Hard cover. 249 pages. (Marked down from $30.00.) Wonderful fish recipes with menus! Thirty two dinners for families, twenty menus for occasions when guests are present, and ten menus for luncheons. Cookbook is in nearly mint condition. Spine cover is slightly darkened. Hinges are perfect. Binding is sound. Pages are completely clean and clear. First edition, first printing. Great gift for someone cutting down on their use of beef.