Start with Cheap And Healthy Meals For The Week, Done In 1 Hour (11 min, Joshua Weissman), then How I Cook 20 Healthy Meals in 1 HOUR (13 min, Brian Lagerstrom). All 95 lessons here are free, from the teachers' own official uploads. You'll need meal prep containers, chafing dish set, food labels and a few more basics (about $155 of kit). The book to keep beside you: Restaurant Success by the Numbers by Roger Fields.