Try this healthy chicken cordon bleu casserole and you’ll be addicted. Your favorite cordon blue ingredients in a casserole recipe only much easier to make, plus fresh veggies are added! A one-pot skillet dinner from stovetop to oven. Using pre-cooked chicken and ham makes this an easy to make weeknight dinner. This recipe is high protein, gluten free, low carb, has no added sugar, and its keto friendly too!