Preheat oven to 375 degrees F. Generously coat twelve 2 1/2-inch muffin cups with cooking spray; set aside. On a lightly floured surface, roll pizza dough into a 12x10-inch rectangle.
Spread dough rectangle with the 1/2 cup pizza sauce. Sprinkle with sweet pepper. Top with turkey and capicola slices; sprinkle with 1 cup of the cheese.
Starting from a long side, roll up dough rectangle. Pinch dough to seal seams. Using a serrated knife, slice rolled rectangle into 12 equal pieces. Place a piece, cut side up, in each prepared muffin cup.
Bake for 15 minutes. Sprinkle with the remaining 1/2 cup cheese. Bake about 5 minutes more or until dough is golden and cheese is melted. Cool in muffin cups on a wire rack for 5 minutes. Remove stromboli cups from muffin cups. If desired, serve with additional pizza sauce.