Share: Marbling Batters To marble batters, spoon one batter in a random pattern over the other batter. Cut through the batter with a knife. Be careful not to overdo it, or the two batters will blend together and you'll lose the effect. Related Tips fortune-telling fun Have a little harmless fun on Halloween by pretending to predict the futures of your party… How to Shape a Coffee Cake Ring Roll into a rectangle. Spread the filling evenly over dough to within 1/2 in. of edges. Roll up… Measuring Tip Never measure over the batter because some my spill, adding too much to the batter.