Jim Amaral, of Borealis Breads, holds up a cooked potato dulse loaf during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.

Jim Rogers, of Chelsea, smells a sourdough starter during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.

Jim Amaral, of Borealis Breads, sprinkles ground dulse into the dough during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.

Jim Amaral, of Borealis Breads, slits the top of a loaf with a razor blade during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.

Jim Amaral, of Borealis Breads, smashes cooked potatoes into the dough during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.

Jim Amaral, of Borealis Breads, talks about the freshness of the Maine grains flour he used during an artisanal bread baking demonstration on Wednesday as part of the Maine Agricultural Trades Show in the Augusta Civic Center.