When using nuts in meals you can almost always count on leftovers. Store them in an airtight container in your freezer. When ready to again use some take out what you need! They keep months in the freezer safe containers. I always use pecans, walnuts, pine nuts, peanuts, macadamia, shelled pistachios, cashews. It will aid in preserving the natural shelf life and oils in each of these nuts!
When using citrus fruits in sauces, smoothies, zests, keep the used citrus after squeezing juices, peel the inner membrane and flesh (with a lemon slice the end to sit flat), then fill with water place each ( lemon, lime, orange ) inside a baking muffin tin (wells), place into the freezer. Once frozen remove frozen fruit from tin wells into freezer safe bag or airtight freezer safe container. They work great in beverages to keep them cold and add a citrusy flavor to a pitcher of cold water!
Hope these two tips may help you!
cheffie cooks easy 1-2-3-.