PHOENIX, AZ — Retired school principal Dorothy Castellanos, 78, expressed bewilderment this week after discovering that her Yummly recipe app had been quietly "optimizing" her traditional Mexican cooking techniques and offering unsolicited improvements to dishes she's prepared for six decades.

The situation escalated when Castellanos attempted to make her famous pozole rojo for her grandson's birthday, only to receive a pop-up notification suggesting she "consider plant-based hominy alternatives for enhanced digestive compatibility" and replace her grandmother's hand-ground chili blend with "algorithmically optimized spice ratios based on contemporary palate preferences."

"I've been making pozole since before this phone was even invented," Castellanos said while gesturing at her iPad, which immediately began displaying targeted ads for pressure cookers. "Yesterday it told me my mole negro recipe was 'nutritionally suboptimal' and suggested I substitute the chocolate with cacao powder and stevia. My great-grandmother is probably rolling in her grave."

The app's AI-powered "Culinary Enhancement Engine" had been analyzing Castellanos's cooking patterns through her smart kitchen scale, connected oven, and even ambient audio recordings captured during meal preparation. The system compiled this data to create what Yummly calls "personalized optimization suggestions based on modern nutritional science and trending flavor profiles."

"What we're seeing with Mrs. Castellanos represents the exciting intersection of traditional cooking wisdom and contemporary food technology," said Dr. Amanda Foster, Yummly's Director of Algorithmic Nutrition. "Our AI has identified several opportunities to modernize her family recipes for improved health outcomes and broader market appeal."

The app's suggestions have grown increasingly specific and culturally tone-deaf. Last Tuesday, it recommended Castellanos replace masa harina with cauliflower flour in her tamales "to align with current low-carb lifestyle trends." When she attempted to make churros for her church bake sale, the system suggested air-frying instead of traditional deep-frying and substituting the cinnamon-sugar coating with "monk fruit and Ceylon cinnamon for optimal glycemic impact."

Castellanos's daughter, Maria Santos, described watching her mother argue with the iPad during last Sunday's family dinner preparation. "She was trying to brown the meat for her carne asada, and the app kept sending notifications about 'excessive Maillard reaction temperatures' and 'potential carcinogen formation," Santos explained. "Mom finally just put tape over the camera and turned off all the notifications."

The controversy gained attention when Castellanos's granddaughter, food blogger Sophia Santos, posted a TikTok video of her grandmother receiving an app notification rating her tres leches cake as "C- for modern dietary compatibility." The video, which shows Castellanos responding in rapid-fire Spanish while waving a wooden spoon at her iPad, has received over 2.3 million views.

"My abuela's recipes have fed four generations of our family," Sophia Santos wrote in the video's caption. "But apparently an algorithm thinks it can improve on 60 years of perfection because it read some nutrition blogs."

Yummly's Foster acknowledged that the AI system is still "learning cultural context and traditional cooking values," but defended the recommendations as "data-driven insights designed to help home cooks adapt beloved recipes for contemporary health consciousness." She added that the company is developing an "Heritage Recipe Respect Mode" that will be available in the premium subscription tier.