Composting benefits the environment and your garden, but the odor is something to contend with. Fortunately, unpleasant smells aren't inevitable. Modern countertop composters and food scrap processors dry and grind waste within hours to maintain a fresh-smelling kitchen. We tested both the Lomi composter and Mill kitchen bin -- each performed admirably, though both require an investment of several hundred dollars.
You don't need expensive gadgets to keep food scraps out of the landfill (and out of your nose). There's a super simple, low-cost way to compost without the stink, and you probably already have everything you need. The trick to keeping things smell-free indoors. Just use your freezer and a basic plastic container, reusable freezer bags or even old plastic grocery bags
Read more: Starting a Compost Pile? Avoid These 10 Foods and Household Items
Freeze your food scraps until you're ready to take them out
Bag up your compost and keep it in the freezer for a fresh-smelling kitchen all year. Qwart/Getty Images
If you're planning to start a compost pile, or are already composting but can't stand the smell, another way to avoid a smelly kitchen when composting is to toss your food scraps in the freezer until you're ready to take them out to the pile.
It's a simple adjustment but one that makes composting much more palatable. To freeze your food scraps, either buy freezer bags and use them repeatedly or dedicate a small plastic container within your freezer to hold scraps. I like using a plastic container so I can run it through the dishwasher after emptying it.
Some countertop compost bins promise to reduce odors, but there's only so much they can do. Food52
Freezing your food scraps -- including the smelliest items such as fish skins, spoiled produce and leftovers -- until you can transport them to the outdoor pile will keep your kitchen smelling fresh.
A simple plastic storage container is all you need to make composting an odorless affair. Rubbermaid
I find this particularly helpful living in an apartment in Brooklyn, where it's harder to make runs down to the compost bin in the front of the building. If you're worried about losing too much space in your freezer, use freezer bags and take your food scraps out to the pile as frequently as you need.
You can compost most, but not all food scraps
Creating a successful compost routine also requires learning what you can and can't compost. The bulk of kitchen scraps are compostable -- pits, cores, rinds, leftover, meat, dairy and coffee grounds -- but foods with high concentrations of oil and sugar are not ideal to add to the pile. If you're wondering how to start a compost pile, we've devised this handy guide for first-time composters.
Automatic food processors such as Mill and Lomi work well to eliminate food odors, but both will cost you more than $500. Mill
For more tips on keeping green in the kitchen, read about the proper ways to recycle takeout containers and the best tools for fighting kitchen waste.