This story originally appeared on BostInno. Investors are enjoying food cooked by robots. Spyce, the Boston-based robotic kitchen launched by four MIT grads in late 2015, announced on Friday the close of a $21 million Series A round. The round was led by Collaborative Fund and Maveron, with additional participation from existing investor Khosla Ventures. Collaborative Fund, an early-stage venture capital firm with offices in San Francisco and New York City, is among the backers of technology...