Home / Knowledge base
The library · Updated weekly
Understand
before you change a thing.
Calm, evidence-aware writing about food, kitchen materials and the small choices that shape a healthier home. No fear, no hype — just what’s actually worth knowing.
Browse by topic
Eight things worth understanding.
Pick a corner of the kitchen — food, materials, water, storage, cleaning. Each topic is a small library of its own.
Ultra-processed food
What UPF actually is, the NOVA system, and how to read past marketing claims.
Cookware & PFAS
Non-stick coatings, ceramic, cast iron — what each material means in practice.
Water quality
Tap, filtered, bottled — what’s in your water and what filtering actually removes.
Reading food labels
The 12 ingredient flags worth memorising, and what claims like “natural” really mean.
Food storage
Glass, BPA, microplastics — how to keep food fresh without the trade-off.
Additives & E-numbers
Which additives to avoid, which are harmless, and how regulation actually works.
Low-tox home
Cleaning products, fabrics and kitchen-adjacent choices that actually matter.
Feeding kids well
Lunchboxes, snacks, picky eaters — practical real-food habits for the under-12 set.
If you only read a few
What matters most — and what can wait.
A library is only useful if you know where to start. These are the questions to answer first, and the ones that can absolutely wait until next month.
Read first
The five that actually move the needle.
-
1
What ultra-processed actually meansFoundation for everything else on the site.
-
2
The 12 ingredient flags worth memorisingOne scan of the label, three things to look for.
-
3
Non-stick: when to keep it, when to replace itThe only cookware article most people need.
-
4
Plastic vs glass: the storage swaps that countFive swaps, in priority order.
-
5
Tap water in the Netherlands: honestly, how good is it?Drinkbaar — but here’s what the exceptions are.
Can wait
Useful — but not urgent.
-
1
Fermented food and gut healthThe complete reference.
-
2
The case against seed oils — what is hype, what is realEvidence rundown with nuance.
-
3
Microplastics in salt and seafoodWhat we actually know in 2025.
-
4
Foods to gain the storage swaps that countComing next week.
-
5
Tap water in the Netherlands — how good is it really?Deep dive coming soon.
Latest from the library
Recently published. .
test 2
What is ultra-processed food, really?
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam rhoncus ipsum eu quam scelerisque convallis. Proin facilisis augue…
Free kitchen detox guide
Don’t know where to start? We’ll show you.
Get the free Kitchen Detox Guide — five swaps, in priority order, no overwhelm. One useful email per week after that, max.
No spam. Unsubscribe any time.
