Some recipes call for 1 tablespoon of tomato paste, and unless you have tomato paste in a tube, opening up a new can seems pointless. Especially when you’ll have 9 tablespoons of leftover paste to deal with. There are a few different ways to handle leftover tomato paste, but this by far is my favourite way.
- Place leftover tomato paste in a small zipper-lock bag.
- Carefully flatten the bag until the paste is an even thickness, about as thick as a tea towel.
- Close the bag and store flat in the freezer.