Use a cupcake tin to make fruit-filled ice cubes, then add them to pitchers of water or sangria at your spring and summer parties.
Freeze lemon or limes: quarter and freeze on baking sheet. Lemon/limes can be frozen whole but will be mushy when defrosted.
How to Make Homemade Yeast
How to freeze avocados to keep them fresh for up to 6 months!