Complex sentence: Aunt Jenny herself was not the focus of these stories, but served as host and narrator, and would present cooking instruction, generally in the form of easy recipes which included Spry Vegetable Shortening as an ingredient.
Split into simpler sentences: Aunt Jenny herself was not the focus of these stories but served as host and narrator. She also offered cooking instruction, generally in the form of easy recipes which included Spry Vegetable Shortening as an ingredient.