A pantry system should make it easier to see what you have and avoid purchasing duplicates, not simply create a wall of identical containers.
Create meal-based groups
Separate breakfast foods, cooking staples, snacks and unopened backups based on how your household uses them. Put frequently used items at reachable heights.
Keep food information
Preserve expiry dates, allergen information and cooking instructions when transferring food to other containers. Use food-safe containers and clean them as directed.
Choose container sizes
Measure shelves and compare usable capacity, not just outer dimensions. Tall jars can waste space beneath a short shelf, while wide bins may block items behind them.
Avoid the common mistake
Transferring everything into jars immediately can increase chores and hide expiration information. Decant only items for which it improves the routine.
Best next step
Arrange groceries into zones first, then note which two items genuinely need a container.