Bulldog gravy was a Great Depression-era foodstuff associated with American coal miners,[1][2][3] which consists of a mixture of milk, flour and grease.
[1][2][4][6] These dishes preexisted the Great Depression and were common foods among the poor at least before World War I and likely earlier.
Open face if with beans or a closed sandwich for a school child's lunch.
Dessert would be an open face lard sandwich sprinkled with a spoonful of sugar.
[3][7] It is also mentioned in the lyrics of Sarah Ogan Gunning's "Come All You Coal Miners", covered with the title shortened to "Coalminers" by the alt-country group Uncle Tupelo, on their album, March 16–20, 1992.