Preheat the oven to 375 degrees F.
Cut each jalapeno in half removing the stem and seeds. Place precooked sausage in 1 half of the jalapeno and sprinkle the other half with cheese, roughly reforming the jalapeno.
Pop open the package of croissant rolls. On a work surface, unroll 1 roll placing the longest side toward you.
Place the stuffed jalapeno on top of the dough and roll away from you. Place on an ungreased cookie sheet. Repeat with remaining peppers and dough. Sprinkle the tops with remaining cheese. Bake 10 to 12 minutes until golden brown.