Intellij Idea - open recent project keyboard shortcut key

NOTE: The following is based on IJ 14.1.4 running on W7. There may be minor discrepancies on other OS', such as Reopen Project being named Open recent on Mac

1. Go to Settings > Keymap and scroll down to Main menu. Expand File, select Reopen Project and assign a shortcut, such as CTRL+ALT+SHIFT+O

2. When used, it will popup a list with your recent projects:

Another approach that doesn't require adding any keyboard shortcuts:

Press cmd + shift + a (Mac) / ctrl + shift + a (Windows) to perform an action search, then search for "open recent".