Freezing buttermilk or heavy cream cubes for cooking. I never use a whole carton nor do I have in stock when a recipe calls for a bit! This is genius! - I love this idea. Just use ice cube tray! Yeah, I can final make some recipes calling for buttermilk.
Quick & Easy Avocado Ideas and How To Freeze Leftovers
You can save tomato paste for up to 3 months when you freeze it! Open both ends of the can but do not remove them. Wrap entirely in plastic wrap and freeze. Once frozen push paste out of the can. re-wrap and place back in the freezer.
Freezing Buttermilk: I poured it up into ice cube trays and popped it in the freezer. One quart filled 3 trays with 2 T. of buttermilk in each cube. The small size should allow me to thaw just what I need for a dressing without wasting much, if any.
Freeze tablespoons of leftover Tomato Paste. Once frozen solid, transfer to a plastic bag and return to freezer. Pre-measured and ready for future recipes. You can also freeze them in ice cube trays and store in a Ziplock bag.