The short answer on batch cooking vs cooking fresh daily is that batch cooking buys back weeknight time at the cost of variety and texture, while cooking fresh daily buys variety and better food at the cost of about half an hour every single evening. Which one works...
The practical answer to how to meal prep for a busy week is to cook components, not finished meals, in one session of about 90 minutes. You make a grain, a protein, a tray of roasted vegetables, a sauce and something raw and crunchy, then combine them differently each...