Heat the butter and oil over medium heat and add shallots and garlic to sweat
Chop the mushrooms when cool, fine dice
Add the mushrooms to the shallots & garlic
Add the sherry and cook 5 minutes to reduce
Add the canned tomatoes and white wine and allow to reduce
Debone the chicken and cut into bite size pieces and add to the sauce to continue to cook, add any juices that run off into the sauce and cook on low heat for another 10-15 minutes
Taste and adjust seasoning
Recipe by Living Fit Lifestyle at https://livingfitlifestyle.com/chicken-cacciatore/