All chocolate spawners are locked. Moreover, there is a conveyor belt, which does not allow the chocolate to spread.
However, in this case, you will need ten chocolates. You have to unlock the chocolate spawners to produce the chocolate. Do not worry, as you clear the liquorice locks, the one layered frosting will also be cleared.
Yet they are only able to spawn up to five when possible. So you have to clear them to make room for the other five.
The popcorn on the middle can be hard to clear. Moreover, the board may clog up with liquorice swirls.
The orders are worth 14,000 points. Hence, an additional 36,000 points is required to earn one star.