Slow-Cooker Split Pea Soup

In a slow cooker combine split peas, onion, carrots, celery, garlic, thyme, ginger, and red pepper flakes. . Pour broth over and add ham bone. Season with salt and pepper.  Cook on high for 4 to 5 hours or low for 6 to 8, until peas are completely soft.  Remove ham bone from slow cooker and shred any remaining meat. Add meat back to slow cooker and serve.