Dennis' Horseradish

Lore & Background

The Dennis' Horseradish brand began in 1960 in the basement of the Gyorffy family home on North Street in Tillsonburg, Ontario. Dennis and Mary Gyorffy, along with their sons Steve and Robert, produced horseradish using roots from Marshall Farms of Ancaster, Ontario. They washed roots with wringer washing machines, ground them with a butcher-type meat grinder, and used a filling machine for jars, with caps and labels applied by hand. The home had a walk-in cooler for storage. Products included Regular Horseradish, Creamed Horseradish, Beet and Horseradish Relish, Seafood Cocktail Sauce, and Hot Mustard. The family distributed from Windsor to Ottawa and as far north as Sudbury, selling to butcher shops, delicatessens, and independent supermarkets like IGA.

Dennis sold the business to John Hantz in 1969 and retired. The brand was later bought by the Ed DeHooghe and Jason Ryder families in 2008, and then by the Whitmore, Healy, and Vandenbosch families in 2020. All crops are grown on 30 acres in Norfolk County. The farm and retail booth are located near Lynedoch, with free parking and wheelchair accessibility. Products are refrigerated on premises and come in 250-millilitre glass bottles.

Reader's Guide

Dennis' Horseradish represents a longstanding regional food tradition in Ontario, Canada, originating from a family operation in 1960. Its significance lies in its continuity through multiple ownership changes—from the Gyorffy family to John Hantz in 1969, then to the DeHooghe and Ryder families in 2008, and finally to the Whitmore, Healy, and Vandenbosch families in 2020—while maintaining the original brand and label. The product's kosher certification and availability in chain supermarkets across Ontario, as well as its featured presence at the Lindsay farmers' market, underscore its regional importance. The business has adapted to modern trends, such as the Greater Toronto Area's interest in local foods, and highlights the anti-inflammatory and metabolism-boosting properties of horseradish. Its legacy is tied to the Gyorffy family's manual production methods and the subsequent commercial expansion, though the brand remains a niche item with Western Canada seen as a target market.

Did You Know?

• The roots were originally purchased from Marshall Farms of Ancaster, Ontario.
• All products are kosher to comply with Jewish dietary laws.
• The business has been sold three times: to John Hantz in 1969, to the DeHooghe and Ryder families in 2008, and to the Whitmore, Healy, and Vandenbosch families in 2020.