In a large bowl mix all ingredients for white BBQ sauce
Salt and pepper on both side of chicken tenders
Add 2 tbsp of olive oil to a pan and preheat on med-high heat
Cook chicken 4-5 min per side (halfway thru add shallots to the pan)
Set meat to the side and allow to cool
Chop chicken into 1 in chunks
In a bowl add chicken chunks, white sauce, shallots, and shredded cheese (mix well)
Preheat oven to 450
Slice french roll down the middle and add meat filling
Top with more white sauce and cheese then broil for 5-10 min