stuffed shells bolognese

Ingredients For stuffed shells bolognese

• FOR THE BOLOGNESE SAUCE
• 1 Tbsp

  olive oil
• 1 1/2 lb

  ground sirloin
• 1/2 c

  minced onion
• 1/2 c

  minced celery
• 1/2 c

  minced carrot
• 1/4 c

  tomato paste
• 1 Tbsp

  minced garlic
• 1 c

  dry red wine
• 1 can

  28-oz. can crushed tomatoes with juice
• 1 c

  whole milk
• 1 tsp

  kosher salt
• 1 tsp

  dried basil leaves
• 1 tsp

  dried oregano leaves
• 1/2 tsp

  red pepper flakes
• 1

  8-oz. container mascarpone cheese
• FOR THE SHELLS
• 24

  dry jumbo pasta shells
• 3 c

  whole milk ricotta cheese
• 1 1/2 c

  part-skim mozzarella cheese, shredded
• 3/4 c

  parmesan cheese, shredded
• 1/2 c

  fresh parsley, minced
• 3

  eggs
• 1 tsp

  kosher salt
• 1/2 lb

  fresh mozzarella cheese, thinly sliced