*Unroll the dough, cover and let it rest for 10 minutes in the fridge.
*Preheat the oven to 350°F.
*Meanwhile, cut the pears into thin slices. Sprinkle them with lemon juice to prevent darkening.
*Slice the Fourme d'Ambert blue cheese into thin slices.
*Remove the dough from the refrigerator and bake for 15 minutes, covered with aluminum foil or another dish to prevent it from burning. Remove from the oven and turn on the grill.
*Arrange the slices of Fourme d'Ambert blue cheese. Grill the tart until the cheese bubbles.
*Remove the tart and arrange the pear slices over the cheese. Serve immediately.