Bring a pot of heavily salted water to boil
In a small bowl whisk together all dressing ingredients
In a large pan cook the bacon til crispy, then set aside, leaving bacon fat in pan
Add rapini to boiling water and cook 4-5 minutes til soft. Remove, drain and blanch in cold water, then drain again
Add garlic and herbs de provence to the bacon fat and saut til fragrant- about 2 minutes
Add rapini and chopped onions to pan, toss to coat in fat and garlic, then saute for 5-8 minutes on medium
With a pair of tongs add rapini and onions to a large salad bowl- leaving fat and rapini water in the pan.
Add bacon, porchetta and dressing to the bowl. Toss to fully combine.