When a robot cooks your lunch with Steve Ells of Chipotle and Kernel

Episode Summary

Executive Summary: Steve Ells reflects on Chipotle’s crisis-driven leadership transition and explains his new venture, Kernel: a highly automated, plant-based restaurant concept designed to cut labor, space, and environmental waste. He argues that centralizing prep, using robotics, and serving delicious vegan-forward food could improve restaurant economics, worker conditions, and scale a model others may copy.

Main Topics: From Chipotle crisis to leadership transition (Priority: 5/5): Ells revisits the foodborne illness outbreaks that damaged Chipotle’s reputation, explains why he stepped down as CEO, and describes relief and validation in handing leadership to Brian Niccol. Inspiration for Kernel and climate motivation (Priority: 5/5): During the pandemic, Ells read about climate change, connected greenhouse-gas emissions to food systems, and decided a plant-based restaurant could contribute to a broader environmental solution. Kernel’s plant-based menu strategy (Priority: 4/5): Kernel aims to make plant-based food broadly appealing through a menu that blends a meat-like fried chicken sandwich with salads and vegetable-forward sides built from grains, legumes, and vegetables. Operational redesign through hub-and-spoke logistics (Priority: 5/5): Kernel uses a central kitchen, bicycle delivery of prepped food to nearby locations, app-based ordering, and only three workers per site to reduce waste and reinvent the restaurant experience. Robotics, automation, and economics (Priority: 5/5): Ells details the use of off-the-shelf robotics, modified ovens, and custom pans to reduce labor, shrink restaurant footprints, and lower buildout costs while maintaining freshness and reliability. Labor model and employee experience (Priority: 4/5): He argues the current restaurant labor system is broken due to high turnover and low wages, and says Kernel’s smaller teams could support higher pay, benefits, training, and stock options. Future scale and licensing potential (Priority: 3/5): Ells expects the model to be refined in New York before expansion and believes the platform could eventually be copied or licensed to other operators.

Key Arguments: Chipotle’s food safety crisis forced a hard but necessary leadership transition, and new leadership helped rebuild trust. A plant-based restaurant could be part of a meaningful response to climate change because food production contributes significantly to greenhouse gases. People will eat more plant-based food at scale if it is delicious, convenient, and compelling rather than preachy or niche. Centralizing food prep and using nearby delivery allows fresher food, less waste, smaller restaurants, and lower infrastructure costs. Automation can reduce headcount from about a dozen to three employees per location, making higher wages and better benefits more feasible. The current restaurant industry depends on a labor model with excessive turnover and weak economics; Kernel is meant to be a better system for workers and operators. Kernel is not intended to eliminate humans, but to redesign their role around higher-skill, higher-value work supporting technology and service. Ells sees the project as both a business opportunity and a way to challenge stagnant restaurant conventions.

Data Points: Chipotle founding year: 1993 - Ells says he started Chipotle in 1993. First How I Built This interview year: 2017 - Guy Ross notes Ells was first on the show in 2017. Leadership tenure before stepping down: 25 years - Ells says he had been running Chipotle for about 25 years before handing over the CEO role. Executive chairman step-down timing: March 2020 - The transcript says his official step-down as executive chairman was announced in March 2020 as the pandemic unfolded. Greenhouse gases from food: 25–30% - Ells cites a figure that roughly a quarter to a third of emissions come from what we eat. Target emissions deadline: 2050 - He references the scientific consensus about bringing greenhouse gas emissions to zero by 2050. Kernel restaurant staffing: 3 people - Ells says each Kernel location will only need three humans to operate. Typical fast casual staffing: a dozen folks at peak period - He contrasts Kernel with a typical fast casual restaurant team size. Typical restaurant turnover: 165% - Ells cites extraordinarily high turnover as typical in the industry. Restaurant footprint: 800 square feet - Kernel locations are designed to operate in a much smaller space than typical fast casual restaurants. Typical fast casual footprint: 2,500 square feet - Ells compares Kernel’s footprint to typical fast casual sites. Series A funding raised: $36 million - Ells says he completed a Series A round to fund the next stage of Kernel. Planned expansion pace: 15 restaurants in 2 years - Ells discusses plans to open around 15 locations over the next couple of years. Distance for central kitchen delivery: 5 to 10 minute bicycle ride - Prepped food is delivered from the central kitchen to nearby restaurants by bicycle. Delivery frequency: every hour - Kernel plans frequent tote deliveries to keep food fresh.

Pivotal Quotes: "I thought, well, what if I started a plant-based restaurant? Might that help?" — Steve Ells: He explains the climate-driven origin of Kernel during the pandemic. "So the main difference is that it's based on a hub and spoke model." — Steve Ells: He describes the operational structure that centralizes prep and supplies nearby restaurants. "The system knows what time it needs to start cooking the food, what time it needs to start toasting the buns..." — Steve Ells: He explains how Kernel’s app and automation coordinate timing without a conventional front counter.

Implications: Kernel could signal a new restaurant model: smaller, tech-enabled, lower-labor, and potentially more sustainable. If it works, others may copy or license the system, influencing how food is prepared, staffed, and delivered.