Chop up ham and onion and put into crockpot. Put ham hock, garlic and bouillon cubes in. Salt and pepper. The beans need to be boiled for two minutes and drained. Put them in the crockpot and cover with water and the lid. Cook on high for 6 hours. Take out ham hock. Stir and serve with cornbread. This recipe is for a 4 quart crockpot.