Following the July 13 death of her boyfriend and Glee costar Cory Monteith, Michele, 26, shared of a photo of herself on set Tuesday.
"Feels so good to be home," she captioned a photo of her character, Rachel Berry.
Though her first day back to set was Aug. 1, Michele Tweeted that she recorded a "beautiful & perfect" song on Monday.
"Couldn't have picked a more beautiful & perfect song to start the year with," Michele wrote.
"Thank you @alxanders & @adamanders for a great recording session today.. You guys are the best."
Executive music producer Adam Anders replied, "you are the strongest person I know. That was truly amazing. Love you xoxo #leastrong."
Fans of Monteith may make donations in his name to three charities that were especially important to him: Project Limelight Society, which exposes youth living in Vancouver's Downtown Eastside to the arts; Virgin Unite, founded to support entrepreneurial efforts to better the world; and