Dulse

A coastal snack tradition

In Maritime Canada (especially New Brunswick’s Bay of Fundy, Prince Edward Island, and Nova Scotia), dulse is a beloved local snack — eaten dried as straight chewy salty flakes, often with beer.

The Maritime tradition centers on Dark Harbour, Grand Manan Island in New Brunswick — a tiny fishing community whose dulse is considered the world’s finest. Generations of harvesters have hand-gathered dulse from the shore at low tide and air-dried it on wooden racks.

In Ireland and Scotland, the same seaweed (called dillisk in Ireland, dulse in Scotland) has a similar tradition — sold at coastal markets, eaten as a snack, sometimes used in scones and soda bread.

A bacon discovery

In 2015, researchers at Oregon State University announced that dried dulse, when fried, develops a flavor uncannily similar to bacon — smoky, salty, with the same umami satisfaction.

The discovery was widely reported and prompted brief commercial interest in dulse as a vegan bacon alternative. The umami compound responsible (likely glutamic acid combined with amino acids that develop during heating) is the same family of flavor molecules in cooked meat.

While “dulse bacon” hasn’t become a mainstream product, the discovery raised the seaweed’s profile considerably and led to wider interest from food writers, vegan cooks, and farmers’-market sellers.

Hand-harvested traditions

Dulse harvest remains largely hand-done in the traditional regions:

• Harvesters wade into shallow water at low tide
• Cut seaweed by hand from rocks
• Dry it on wooden racks or open beach
• Take 2-3 weeks to fully dry before bagging

The labor-intensive nature of dulse harvest is part of why it’s an artisanal/regional product rather than industrially farmed. Some Pacific dulse farms have begun trying aquaculture, but Atlantic dulse remains primarily wild-harvested.

Nutritionally remarkable

Like most edible seaweeds, dulse is dramatically nutritious by weight:

• 21% protein (dry weight) — extraordinary for a vegetable
• High in iron (more than spinach by weight)
• Rich in iodine, potassium, magnesium, and vitamin B12 (rare in plant foods)
• Also a major source of trace minerals

The high vitamin B12 content is unusual for a non-animal food and has made dulse popular among vegans and macrobiotic dieters.

Cooking with dulse

Beyond eating dried, dulse can be:

• Crumbled into soups for umami depth
• Added to bread doughs for color and flavor
• Sprinkled (toasted) onto salads as a “salt with character”
• Made into a Maritime fish chowder ingredient — traditional in New Brunswick

A pinch of dulse can substitute for some salt in cooking while adding mineral complexity that pure salt lacks.