Cook pasta according to package directions; drain.
Stir together chicken and next 6 ingredients.
Cut a slit down length of each pasta shell.
Spoon about ½ cup chicken mixture into each shell, gently pressing cut sides back together.
Place, cut sides down, in 2 lightly greased 11- x 7-inch baking dishes.
Pour Roasted Red Bell Pepper Sauce evenly over shells.
Bake, covered, at 350° for 25 to 30 minutes or until thoroughly heated.
Garnish, if desired.
Notes / Tips / Wine Advice:
To Make Ahead:
For quick weeknight solutions, prepare and stuff cannelloni shells. Wrap tightly with wax paper; freeze until ready to serve. Let thaw in the refrigerator. Unwrap cannelloni, and place in a baking dish; top with your favorite supermarket pasta sauce, and bake as directed.