Using a heatproof rubber spatula, pull melted sugar at edges toward center of unmelted sugar. (epicurious.com)
You want to make sure you have a little bit of unmelted chocolate chips leftover when you pull it out of the microwave. (jenniferbanz.com)
Stand over the pan of sugar with a heatproof spatula ready, but do not touch the sugar until there is a full layer of melted and browning liquid sugar on the bottom with a smaller layer of unmelted white sugar on the top. (bookpage.com)