EQUATION FORMULARY
EQUATION FORMULARY is a small business where we create Slow Food style condiments, foods, and beverages; sharpen knives tools; and do other side gigs that help keep alive old traditions, helps our neighbors, generate essential income.
SHARPENING SERVICES
We offer hand sharpening services for kitchen knives, jackknives and sport knives, and garden and woods tools. Sharpening services are offered under the trade name of Whetstones on the Whetstone™, since our portable shop is alongside the Whetstone Brook at the Brattleboro Area Farmers Market May-October each year. Services at the Farmers Market will resume Saturday May 2, 2026.
Outside of the Farmers Market season, we happily sharpen knives and tools at our Guilford workshop. Please arrange for a way to hand off your implements through this form, or text to 802-258-8748.
KNIVES
- Kitchen knives: Chef, Santoku, Carving, Slicer, Paring, Boning/Filet, Utility, Cleaver
- Serrated knives: Bread, Steak ª
- Jackknife, Folding, Sport, Bushcraft, Grafting Knives
TOOLS
- Scissors, Shears ª
- Pruners, Loppers
- Hatchet and Ax Heads
- Mower Blades, Chainsaw Chains
OUR SHARPENING AND RESTORATION SYSTEMS
- Old school hand honing on whetstones, leather strop
- Diamond needle files and hones
- Belt sander with graduated silicon carbide belts
- Bench grinder with alumina stone and brass wire wheels
- Dremel tool
- Epoxy resins and linseed or tung oil handle restoration
TERMS
- Basic services while you shop at Farmers Market, drop in early!
- Work is done in our shop in Guilford and may not be done same day
- Prices range from $5-12 per piece, oddball work quoted beforehand
- Chip/tip repair, handle restoration, and serrations subject to surcharge
- Pickup and delivery can be arranged for a fee
ª We currently do not sharpen fine-serrated chef knives, salon tools, or set teeth on saw blades
EQUATION FORMULARY is a small business where we create Slow Food style complex, flavor-balanced food products for sale in a micro-region of Southern Vermont. Despite the professional appearance and quality of my products, these are all produced on a painstakingly inefficient nano-scale and are subject to seasonal availability and batch sell-outs. All of our products contain at one or more grown or foraged ingredients from the Equation Formulary forests and garden.
SPECIALTY FOODS PRODUCTS
NATURALLY FERMENTED HOT SAUCES
- SUNSHINE IN MY BEATING HEART - orange habanero, carrots
- IT TAKES TWO TO MANGO - red habbie, Fresno, mango, ginger
- BLUE SQUIRREL KUNG FU - habbies, scorpion, wild blueberries
- FIRE-BREATHING TURTLE - house smoked red jalapeño & Fresno, chili morita
- LOST FORMULA - extremely limited, short-run batches highlighting our fermentation art
SPICY SAUCES AND SAVORY PRESERVES
- BLUBARB WONDER SAUCE® - wild blueberry, local rhubarb, chipotle
- LAVA LAMP LIPS Jerk Marinade - copious locally-grown alliums, green habanero, Thai bird pepper, ginger, citrus, allspice
- VERMONT ZINGERS - crisp, sweet, and zingy maple pickled jalapeños
- STRAWBERRY BALSAMIC JAM - fresh strawberries, authentic aged balsamic vinegar, cracked black pepper
- BLUEBERRY THYME JAM - the terroir of Maine wild blueberries merging with the cedar woodiness of French thyme and lemons
- ROSEMARY APRICOT JAM - local apricots and rosemary highlighted with nigella seeds
MUSHROOM PRODUCTS
- WILD MUSHROOM RISOTTO - Arborio rice, locally-grown and foraged mushrooms, herb and mushroom seasoning
- MAPLE GINGER SHIITAKE - local maple syrup, ginger, and forest-grown hana "flower" shiitake (contains soy and wheat)
- FAERIE DUST - locally grown/foraged shiitake, bolete, black trumpet; Himalayan salt
- SCHEME 13 - an herbal seasoned salt with 13 herbs and spices (and no weird shit)
- NIGHT VELVET - instant mushroom bouillon with forest-grown shiitake, herbs, spices
- THANK YOU GRANDMOTHER - premium dual extraction reishi elixir with elderberry syrup and spices (alc. 22% abv, recommended dose 2ml/day, 4 oz bottle is 60 day supply)
Sustainably-sourced Chaga Mushroom Hot Chocolate Mixes (contain milk)
- MAPLE SPICE - chaga, cocoa, natural maple, pie spices
- MOCHA MALT- chaga, cocoa, espresso powder, barley malt sugar
- AZTEC-STYLE - chaga, cocoa, cinnamon, chipotle, dried orange peel
FOREST-GROWN & FORAGED MUSHROOM MEDLEYS
- PRIMO - whole baby shiitake, chanterelle, black trumpet, nameko caps, and porcini slices
- SEABIRD - fragrant oysters, shiitake, maitake, and porcini
- UMAMI TSUNAMI - earthy blend of shiitake, boletes, black trumpet
I also have a repertoire of natural soaps and other body/hair care products, which are not currently in production.
My products are for sale at the Guilford Neighborhood Roots Food Collective, the Brattleboro Area Farmers Market, and occasionally at local farm stands, country markets and area festivals. This webpage is informational only. We are not an online shop at this time.
EQUATION FORMULARY
EVERYTHING IN BALANCE
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BLUBARB WONDER SAUCE™ - All-purpose sauce to replace ketchup and BBQ sauce. Based on local rhubarb and wild blueberries, with a mild chipotle finish. Refrigerate after opening. 12 fl oz. -
LAVA LAMP LIPS - Jerk marinade featuring local thyme, alliums, and chiles, plus allspice, ginger, and citrus. Bottle marinates 6 lbs protein. 12 fl oz. -
NATURALLY FERMENTED HOT SAUCES - full of flavor and without vinegar harshness. 5 fl oz. -
FAERIE DUST - Locally grown and foraged mushrooms (shiitake, black trumpet, bolete) combined with Himalyan pink salt. 2.5oz (71 gms) -
WILD MUSHROOM RISOTTO MIX - Forest-grown and foraged mushies with Italian risotto rice and local herbs. -
Sustainably harvested chaga mushroom hot chocolate mixes in three flavors: Maple Spice, Aztec-style, and Mocha Malt. Each pouch makes six rich mugfulls. Contains dairy.