You don’t need to worry about the separate banks of candy on the left or right at all for most of this level. In fact, they’re pretty defunct, until you set off a colour bomb and striped candy that hits them, and candy time bombs drop down. Clear them up if you need to: chances are your next colour bomb and striped candy combination will diffuse them anyway.
Don’t be lured into false comfort by the marmalade colour bombs under the meringues, you’ll more than likely detonate one of these before you mix them with a striped candy. Just think strategically, and remember you can move striped candy around the board the same way you move an ingredient around the board, except you just need to make sure you don’t detonate it with each move.