Slit open each chicken breast. Cut each sausage link in half, lengthwise, then cut to the length of the chicken breast. Place halved sausage link inside each chicken breast, then add jalapeno peppers to taste, onion, garlic and seal chicken with toothpicks.
Season outside of each chicken breast with Cajun spices/seasonings. Wrap each breast with 2 slices of bacon and secure with toothpicks.
To Freeze: Freeze in a freezer safe container.
To Reheat: Thaw overnight and then grill (preferably on a BBQ) over medium until done, about 30 minutes each side.