As a Garden Steward, you are likely already a dedicated composter. You diligently turn your vegetable peels, coffee grounds, and yard trimmings into the rich, dark humus that breathes life back into your soil. You understand that waste is simply a resource out of place.

But what about the food scraps that can’t go into a traditional pile? The leftover meats, dairy, oils, and cooked foods? For most, these end up in the bin, destined for a landfill. What if there was a way to reclaim all of your kitchen waste, transforming it quickly and easily into a powerful soil amendment without foul odors or pests?

There is. Welcome to the revolutionary world of Bokashi. It’s a simple, fast, and incredibly effective process that works in partnership with your existing compost system to bring your household to a true, no-waste, regenerative loop.

What is Bokashi? The Art of Fermenting, Not Rotting

The first thing to understand is that Bokashi is different from traditional composting. A traditional compost pile is an aerobic process, meaning it relies on oxygen, heat, and a slow decomposition process to break down materials over months.

Bokashi, on the other hand, is an anaerobic process that takes place in a sealed container. Think of it less like a compost pile and more like making pickles, sourdough, or kimchi. You are using a select group of specialized microbes to rapidly ferment your food scraps, not rot them.

This fermentation process preserves the nutrients in the food waste and pre-digests it, making it incredibly bio-available once it’s introduced to your soil. The result is a system that is faster, smaller, and more versatile than a compost pile alone.

The Magic Ingredient: Bokashi Bran & Effective Microbes (EM)

The entire process is powered by Bokashi bran. This is a dry substrate, usually wheat bran or rice husks, that has been inoculated with a liquid concentrate of beneficial microbes called EM-1® (Effective Microorganisms®). This carefully selected team of microbes includes lactic acid bacteria (like those in yogurt) and yeast, among others. When you sprinkle this bran onto your food scraps in an airtight environment, this microbial team gets to work, fermenting the waste in a matter of weeks.

For those just beginning their Bokashi journey, buying a bag of high-quality, pre-made Bokashi bran online or from a garden center is the easiest and most reliable way to get started.

For the Dedicated Steward: How to Make Your Own Bokashi Bran

Once you fall in love with the process, you may wish to make your own bran. It’s a simple and cost-effective way to keep your system going.

You Will Need:

  • 2 lbs (approx. 900g) of a carbon material like wheat bran or rice bran

  • 1 Tablespoon of EM-1® microbial inoculant

  • 1 Tablespoon of blackstrap molasses

  • 1 cup of clean, non-chlorinated water (let tap water sit out for 24 hours)

  • A bucket for mixing, and an airtight bag or container for fermenting

The Method:

  1. Activate the Microbes: In a small bowl, mix the molasses and EM-1 into the warm, non-chlorinated water until dissolved. This "wakes up" the microbes and gives them a food source.

  2. Moisten the Bran: Place your dry bran in the larger bucket. Slowly pour in the liquid mixture, tossing and mixing thoroughly with your hands. You want every flake of bran to be slightly damp, but not wet.

  3. The Squeeze Test: The moisture level is correct when you can grab a handful and squeeze it tightly, and only a drop or two of liquid comes out. If it’s too dry, add a tiny bit more water. If it’s too wet, add more dry bran.

  4. Ferment: Pack the moistened bran tightly into a heavy-duty, airtight plastic bag (like a thick trash bag) or a sealed container. Squeeze out as much air as possible. Seal it and leave it in a warm, dark place for 2-3 weeks to ferment.

  5. Dry and Store: After fermenting, the bran will have a sweet, pickled smell. Spread it out on a tarp or a tray to air dry completely, away from direct sunlight. Once it is bone dry, it is ready to be stored in an airtight container for use.

The Bokashi System in Your Kitchen

This is the daily practice of turning scraps into a future resource.

  1. Get a Bokashi Bucket: You'll need an airtight bucket, ideally one with a spigot at the bottom to drain off the liquid fertilizer. You can buy these or make your own with two nested buckets.

  2. Add Scraps: Place your day's food scraps into the bucket (chopping up large pieces helps). Unlike traditional composting, you can add everything: meat, bones, cheese, oily foods, and cooked leftovers.

  3. Add Bran: For every inch or so of food scraps, sprinkle a tablespoon or two of Bokashi bran over the top.

  4. Press and Seal: Use a potato masher or a flat plate to firmly press the food down, removing any air pockets. This is crucial for the anaerobic process. Seal the lid tightly.

  5. Drain the "Tea": Every couple of days, drain the liquid that collects at the bottom. This "Bokashi tea" is a potent liquid fertilizer. It must be diluted at a 1:100 ratio (1 tbsp of tea to 6 cups of water) before being used to water plants.

  6. Ferment: Once the bucket is full, seal it one last time and let it sit for two full weeks to ensure a complete fermentation.

Using Your Finished Bokashi

After two weeks, you’ll open the bucket to find something that looks a lot like the food you put in, but now has a sweet, pickled aroma. The work is not done; the final decomposition happens in the soil.

  • Trench Method: The easiest way is to dig a trench in your garden bed about a foot deep. Dump the fermented Bokashi in, mix it with a little soil, and then cover it with the remaining soil. The microbes in the soil will break it down completely in 2-4 weeks. Wait at least two weeks before planting directly in that spot, as the initial mix will be too acidic for young plant roots.

  • Soil Factory: In a large container or a discreet corner of your yard, mix one part finished Bokashi with two parts soil or unfinished compost. Cover it and let it sit for 3-4 weeks. The result will be incredibly rich, beautiful finished compost.

  • Compost Activator: Add your finished Bokashi to a slow or cold traditional compost pile. The potent microbes will act as an accelerant, jump-starting the decomposition of the entire pile.

By embracing Bokashi, you take your commitment to stewardship to the next level. You are closing the loop on your kitchen waste, eliminating your contribution to food-waste landfills, and creating two of the most valuable amendments your garden could ever ask for—all from a simple bucket under your sink.

Jeff Brummond