Preheat the oven to 350 degrees F
Place the cooled and peeled sweet potatoes in a large bowl
Mix in with the potatoes, the eggs, brown sugar, milk, butter, vanilla, cinnamon, and bourbon
Cook the bacon in a frying pan until crisp, remove the bacon and set aside
In another bowl add the pecans, flour, the reserved half cup of brown sugar, cayenne, the rosemary/sage mix, and the six tablespoons of bacon fat
Spoon the potato mixture into a 9X13 baking pan
Spread the pecan mixture over the top evenly
Bake for 35-40 minutes