Tips for level 550 Candy Crush Saga
This is a jelly level with a cake in the middle, there is jelly under the cake so it has to be removed to clear the jelly.
The conveyors both move down the board and are very helpful for removing the cake.
You can let the candies you need move down the coneyor to get to the bottom half of the cake.
Once the cake is removed it's fairly straightforward removing the jelly.