 Plum cake recipes in the fruitcake style appeared in early cookbooks in the Southern United States , and did not actually call for plums . After 1830 plum cake was often referred to as fruit cake or black cake . In 1885 , in a description of plum cake that sounds like plum pudding , it was described as " mucilaginous " - a solid , dark @-@ colored , thick cake with copious amounts of plums , gritty notes from raisins . 
 Plum cake recipes in the fruitcake style appeared in early cookbooks in the Southern United States , and did not actually call for <a href='negative_concord' title='1'><mark>plums</mark></a> . After 1830 plum cake was often referred to as fruit cake or black cake . In 1885 , in a description of plum cake <a href='null_relcl' title='2'><mark>that</mark></a><a href='uninflect' title='3'><mark>sounds</mark></a> like plum pudding , it was described as " mucilaginous " - a solid , dark @-@ colored , thick cake with copious amounts of plums , gritty notes from raisins . 
Plum cake recipes in the fruitcake style appeared in early cookbooks in da Southern United States , and did not actually call for no plums . After 1830 plum cake was often referred to as fruit cake or black cake . In 1885 , in a description of plum cake sound like plum pudding , it was described as " mucilaginous " - a solid , dark @-@ colored , thick cake with copious amounts of plums , gritty notes from raisins .