Chop onion

Chop bell pepper

Chop carrots

Preheat skillet over medium-high heat

Cook sausage in preheated skillet

During cooking break up meat

Cook until meat is no longer pink

Add onions, bell pepper, carrots, garlic, oregano, and basil to skillet

Season to taste with salt and pepper

Cook, stirring often, for 5 minutes

Pour spaghetti sauce into a large bowl

Add mozzarella cheese, parmesan cheese, and ricotta cheese

Mix thoroughly

Spray slow cooker crock with cooking spray

Ladle enough meat mixture into slow cooker to cover bottom

Layer 3 noodles on top

Ladle cheese and sauce mixture to cover noodles

Repeat layers at least twice more

Top layer should be cheese mixture

Cook in slower cooker on low at least 6 hours

Serve