Separate dough into 10 biscuit pieces. Put two pieces together (one on top of other) and press to flatten into 6-inch (15 cm) circle. Spread 1 1/2 tsp (7 mL) pizza sauce on each round to within 1/2 -inch (1.25 cm) of edge. Place 4 slices of pepperoni in centre of each round; top with 3 tbsp (45 mL) cheese and 4 more slices of pepperoni. Fold dough in half over filling; press edges with fork to seal. Brush each sandwich with water and sprinkle with Italian seasoning.