01 -
Cut along length of each sausage to create pocket for cheese, not cutting all the way through.
02 -
Insert mozzarella stick into each sausage pocket and press to enclose.
03 -
Spread marinara sauce in baking dish and place stuffed sausages cut side up.
04 -
Cover with foil and bake 30 minutes.
05 -
Remove foil and bake 10 more minutes until sausages are cooked and cheese is golden.