Preheat the oven to 425F. Line a baking sheet with parchment paper. Set aside.
Brown ground pork sausage in a large skillet. Then, drain the excess fat. Turn off the heat.
Then, add softened cream cheese, shredded Parmesan cheese, shredded Mozzarella cheese to the browned ground pork sausage. Season with salt, pepper, garlic powder, or dried sage, if needed. Mix to combine.
Cut each jalapeno pepper in half lengthwise and remove the seeds. Fill jalapeno halves with cheesy ground pork sausage filling.
Place Sausage Stuffed Jalapenos with cream cheese on the prepared baking sheet. Bake in the preheated oven for 15-20 minutes or until browned. Baking time depends on the size of the jalapeno peppers. Top with minced jalapeno or chopped parsley, sprinkle with additional Parmesan cheese. Enjoy with sour cream or ranch dressing.