Freeze vegetables
Do you know that too? Since you buy cheap vegetables in autumn (potatoes, leeks, carrots, etc.) and can not consume everything at once (at least not me, we are only two).
Here is my tip: Wash vegetables and cut them small (for example, sliced potatoes, for fried potatoes) and freeze in portions in freezer bags. So you have all winter always cheap and fresh vegetables ready! So I'm excited about it and just like to do it ...
