Preheat oven to 450°F
Butterfly slice loin lengthwise and then butterfly slice each half from the center to open out, increasing the overall width by four
Sprinkle 1/3 of the spice rub over the open-faced loin
Heat pan with oil over high heat. Add mushrooms and sauté with a pinch of salt or to taste
Place 4-5 slices of bacon on the right half of the open-faced loin
Butterfly slice the halved sausage and place onto of bacon
Add sautéed mushrooms and cheese
Butterfly slice the remaining halved sausage on top of the mushrooms and cheese, finishing off with remaining 4-5 slices of bacon to created a layered effect
Fold over left half of the open-faced loin over the layers of filling
Tie loin roast with 5-6 butcher strings parallel to each other
Rub the entire roast with the remaining spice rub
Place roast in a roasting pan and bake at 450°F for 10 minutes. Decrease oven to 300°F and continue cooking for 1.5 hours or until internal temperature of the loin roast has reached 160°F
Remove from oven and rest for 10 minutes before slicing
Tip: Best served with roasted vegetables and/or potatoes
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