High lipase milk is actually quite common! The milk is still safe and nutritious, but some babies dislike the soapy/metallic taste after storage 😅
What helped me was:
* scalding the milk before storing (heat until tiny bubbles appear around the edge, not boiling)
* storing milk immediately after pumping
* trying frozen milk mixed with fresh milk little by little
* checking if baby prefers chilled vs warmed milk
Usually it’s not really because of diet, so changing what you eat may not make a big difference. If you have a large freezer stash, test small batches first before storing a lot 🥲