Caramelize Sugar onto Chocolate with a Laser Cutter

People typically use NYC Resistorís laser cutter to cut things like wood or acrylic, but my roommate and I enjoy using it on tastier substances.

This week, we brought some chocolate squares and some colored sugar / sprinkles to test out with the laser with the goal of caramelizing the sugar and fusing it to the chocolate. Weíre still experimenting with ideas, and wanted to do some research on what techniques and settings work best, especially with the new laser.

Follow this Instructable to learn how to fuse sugar to chocolate using a laser cutter!

Step 1: Prepare Your Vector Files

The first step is to prepare a file for sending to the laser. I used a simple shape for testing.

You don't want to cut chocolate (it melts). However, etching works great! You can etch pretty much whatever you want, just bear in mind that fine details may not work, depending on the size of the sugar you're using.

Caramelize Sugar onto Chocolate with a Laser Cutter
black_diamond_suit.pdf959 bytes

Step 2: Prepare The Materials

Caramelize Sugar onto Chocolate with a Laser Cutter

Place a sheet of parchment paper, or similar, in the laser bed to keep your project food-safe. Then, place the chocolate in the laser bed. Coat with sugar. You want a thin, even layer of sugar.

Step 3: Fire the Laser!

Caramelize Sugar onto Chocolate with a Laser Cutter

Next -- fire the laser!

We set the speed to 100, power to 30, and DPI to 300, for NYC Resistor's 60W Epilog laser. Experiment to your heart's content with the settings. Bear in mind that you can do multiple passes, but each pass will reduce the vividness of the sugar's coloring.

Step 4: Eat.

Caramelize Sugar onto Chocolate with a Laser Cutter

After the laser is done etching, let the chocolate sit for about thirty seconds before removing it from the laser bed.

Congratulations -- now you can feast on your tasty, colorful, customized treats!

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