A week after a fire destroyed the inside of New American Stone Mills in Morrisville, the lingering smell of smoke serves as a reminder for owners Andrew Heyn and Blair Marvin of the long road ahead. The husband and wife co-owners said they opened the shop in 2015, after building their first mill for their own bakery, Elmore Bread Bakery. Today, their work is featured in businesses, farms and schools around the world. “It’s been pretty amazing to be part of a global community of bakers and millers and farmers that all use the stone mills,” Andrew Heyn said.However, just one day after celebrating the 10-year anniversary of their Morrisville shop, the couple received an unexpected call informing them that their shop was on fire.”The worst call you could possibly imagine,” Blair Marvin said.Heyn described the moment he first saw the business engulfed in flames as his “worst…