Expired yogurt or dried cheese can be your helpers. For example, plain yogurt is an ideal fertilizer for indoor plants.
We'll tell you which spoiled foods can still be useful.
Housewife's life hacks
Dilute yogurt with water in a ratio of 1:3 and water the flowers. Lactic bacteria will revive the soil.

And grated hard cheese will remove stains from clothes. Apply it to the stain, rub and wash the item as usual.
Turn dried bread into croutons for soup or grind it into breadcrumbs.
And water from boiling potatoes will clean the scale in the kettle - boil it for 10 minutes, and the limescale will disappear.
And don't throw away eggshells! Crush them and add them to the soil - this will protect plants from slugs and enrich the soil with calcium.
What about moldy jam? Remove the top layer and boil the remaining mass with the addition of citric acid.
Use for baking or sauces. Or make a natural glue: mix flour with water and boil until thick. It is safe for children and leaves no residue.
And the last life hack: old rice will absorb moisture from the salt if you pour it into a salt shaker.
You can also use it as a filling for a heating pad or a cooling pack. Just freeze the rice in a sock and apply it to bruises or overheated devices.
Let us remember that in some cases you have to use folk advice and tricks at your own risk.