Try this one from an old Alton Brown recipe. Ratio of one pound of bacon for every pound of beans. I've let this one cook overnight on many occasions in a Dutch oven at 250 degrees, and it's almost impossible to try and resist eating some in the morning.
https://www.foodnetwork.com/recipes/...recipe-1938616
This recipe is at least 15 years old and has 154 5-star reviews on Food Network.