How many cups of batter for a l2 inch pan?
That depends on the shape and depth of the pan.
12 x2 round = 7 1/2 cups
12 x3 round = 10 1/2 cups
12 x2 square = 10 cups
12 x3 square = 14 cups
Other shapes, such as a hexagon, petal or heart, will require
different amounts of batter.