A line five people deep leads up to the olive green Heirloom food truck at the edge of the Longmont Farmers’ Market, but the wait is well worth it. Chef John Campbell is serving lamb sliders with curried onion jam, Muenster cheese, sweet potato crisps, and a light medley of greens tucked between a fresh

There is a special feel to Wednesday afternoons and Saturday mornings, strolling in the stream of people down the short slice of 13thstreet between Arapahoe and Canyon. I’m swept for a moment, amidst scores of lushly stocked booths operated by Boulder County farmers and food artisans, out of the city and into something else; a