Is it possible to create 'grouped' fields of related data? I have a content type (Recipe) in which my users can add ingredients (terme references). I also have a text field to enter quantity
How is it possible to link this "ingredient" field to the quatity field? 

I want to recreate something like this (from Recipe module) :
You could use the Paragraphs module OR Field Collection module

Example (from paragraphs):



Then with a little CSS magic, you can put them side by side, if you really want it like that.