It’s been almost half a century since Debbie Carrillo’s journey as a home cook began in her mother’s kitchen in Hayward. She and her sister, Deeann Carillo, discovered their love for cooking while learning how to make savory and sweet dishes rooted in their Italian and Puerto Rican ancestry. Last year, Debbie Carrillo lost her job as a cook for a financial firm, where she prepared lunch for 30 to 65 people every day. Before that, she had spent nearly…