It's a vacant building, but one that represents a piece of sweet Detroit history.

Fire crews from Highland Park, Detroit and Hamtramck battled flames Saturday morning and afternoon that engulfed the former Sanders Confectionery headquarters and bakery in Highland Park.

"This is a vacant structure, so it has a lot of products that we don’t even know are inside,” said Fire Chief Derek Hilman, according to WXYZ. “We are just doing the best we can with the manpower we have.”

Michigan-based Morley Candy now makes Sanders chocolate and desserts.

Read more: WXYZ