Melt your butter in a large skillet over medium heat
Add your onion, garlic and green pepper to your skillet and saute until tender
Put everything in your 6-quart crock pot, except your pasta shells and garnish, and mix well
Cover and cook on low for 4-6 hours
Stir in cooked pasta about 15 minutes before serving
Sprinkle with fresh grated parmesan, if desired, and serve
Notes
As with any of our recipes, calorie counts and nutritional information varies greatly depending on which products you choose to use when cooking this dish.
All slow cookers cook differently, so cooking times are always a basic guideline and should always be tested first in your own slow cooker and time adjusted as needed.