I want to draw attention to the Apium graveolens Dulce is not a tuber and not the greens! All the proportions have to withstand! Vegetables are cleaned and sent in a meat grinder or blender In a saucepan with a thick bottom put the vegetables and fill with oil. Put on the fire, bring to boiling, diminish the fire and stew until ready. How to determine the readiness - at first the smell is frankly the onion, and then change into a sweet caramel - I usually it takes about an hour all ready.

Break immersion blender or leave it in this form

Arrange in jars and containers and put into the freezer, where it is stored. Take out, defrost and use as directed. Defrosted a jar stored in the refrigerator for about 2 weeks. I usually put it into silicone molds after freezing pour in the package so portions, not defrosting, use.

Also laid out a thin layer and shape, and then as needed simply break off pieces with a knife.