Elizabeth Knowlton, innkeeper at the Inn at Bath, checks on a pot of fish chowder adapted from a recipe from her grandmother's copy of the Boston Cooking School Cookbook.

Dorothy Wellington Britt taught her granddaughter Elizabeth Knowlton how to cook. Knowlton is now the innkeeper at the Inn at Bath.

Knowlton still has her grandmother's copy of the Fannie Farmer cookbook from the Boston Cooking School.

This undated photo shows Elizabeth Knowlton's grandparents, Albert Britt and Dorothy Wellington Britt. Knowlton's grandmother attended the Boston Cooking School.

Knowlton looks through her grandmother's journal from 1945. Her grandmother kept detailed notes of her daily activities.

Elizabeth Knowlton has adapted her fish chowder recipe from her grandmother’s 1934 edition of “The Boston Cooking School Cook Book.”