Italian Basil Beef And Shells

INGREDIENTS

box medium-size shells

medium onion (diced)

Olive oil

1 1/2 lb

lean ground beef

2 tsp

dry Italian seasoning

1 1/2 tsp

garlic salt

1/2 tsp

red pepper flakes

2 tbsp

Worcestershire sauce

Chive & Onion cream cheese, softened

2 1/2 cups

half & half

3 tbsp

butter (melted)

4 cups

shredded mozzarella cheese (divided)

prepared Basil pesto

1/3 cup

sundried tomatoes (rinsed and chopped)

1/4 cup

grated Parmesan cheese

1 tbsp

chopped Italian parsley (optional)