Level 373 was the eighth level in Candy Kaiju and the 168th jelly level in Dreamworld. To pass this level, you must clear 9 double jelly squares in 40 moves or fewer.
When you complete the level, Sugar Crush is activated and will score you additional points.
The only jellies are under the three-layered icing, so there is no need to destroy the cake bombs at all. However, if you can reach at least one, it can break a layer off all of the icing on the screen.