There is something deeply satisfying about turning an everyday household item into something useful and good-looking, and this little kitchen project does exactly that. I love a DIY that earns its keep, and a square ceramic planter filled with dried black lentils makes a surprisingly handsome knife block with a clean, modern look that still feels warm and homey on the counter.
This is a fine project for anyone who wants a simple knife holder without hauling out power tools or building from scratch. I’m especially fond of projects like this because they remind me of the practical ingenuity I grew up around in the Midwest—using what you have, making it pretty, and putting it to work right away.
Materials
1 square ceramic planter, 6 inches wide x 6 inches long x 7 inches tall
Instructions
1. Wipe the ceramic planter inside and out with a damp cloth, then dry it fully so no moisture gets trapped inside with the lentils.
2. Test-fit the plastic liner inside the planter; if it sits too tall, trim it so the top edge rests about 1/2 inch below the planter rim.
3. Measure the inside opening of the planter and cut the cardboard into a snug square that will sit flat over the liner.
4. Wrap the cardboard square in black craft felt and secure the underside with a small line of hot glue so the top looks neat and dark between the knives.
5. Cut 5 to 8 narrow slits in the felt-covered cardboard, spacing them evenly and sizing them for the blades you plan to store; keep the slits just wide enough for an easy slide without wobble.
6. Place the plastic liner into the planter, then pour in the dried black lentils until they come within about 1 inch of the top.
7. Set the felt-covered cardboard insert on top of the lentils and press gently so it sits level and feels supported across the whole surface.
8. Add a little more lentils under the insert if it dips too much, or remove a small amount if the insert sits above the rim; the top should finish just below the planter edge.
9. Slide each clean, dry knife blade through a slit and down into the lentils, spacing the handles so they fan nicely and do not bump each other.
10. Turn the planter slightly and adjust the knife positions until the display looks balanced and the most-used knives are easiest to reach.
11. Check stability by lifting one knife out and replacing it a few times; if any blade feels loose, narrow that slit with a tiny dab of hot glue under the felt and let it cool before using again.
12. Set the finished knife block in a dry corner of the counter away from the stove splash zone and sink so the lentils stay clean and crisp.
Variations & Tips
For a cleaner finish: Use a black or charcoal planter if you want the lentils and top insert to blend together for a sleeker look, though a white planter gives a beautiful crisp contrast.
For heavier knife sets: Choose a thicker ceramic planter and fill the liner nearly full so the block has enough weight to stay steady when you pull out a chef’s knife.
Lentil choice: Dried black lentils work especially well because they are small, dense, and handsome, but dried split peas or tiny beans can also support blades if you keep everything fully dry.
Moisture matters: Never place damp knives into the block, and do not set this holder beside the sink; dry contents are what keep this project tidy and long-lasting.
Easy refresh: Every few months, remove the knives, lift off the insert, and replace the lentils if they have collected dust or kitchen moisture.
Gift-worthy version: Tuck the finished planter knife block onto a tray with a cutting board and a tea towel for a thoughtful housewarming gift that looks far more custom than it is difficult to make.