bacon-cheese stuffed shells

Ingredients For bacon-cheese stuffed shells

• 24

  uncooked jumbo pasta shells
• 1 c

  chopped fresh mushrooms
• 1 c

  finely chopped onion
• 1 Tbsp

  plus 1/4 cup of butter, divided
• 1 1/2 c

  ricotta cheese
• 1 pkg

  8 oz cream cheese, softened, divided
• 1 1/2 c

  shredded asiago cheese, divided
• 1 c

  shredded parmesan cheese
• 1 c

  crumbled cooked bacon
• 2 Tbsp

  minced fresh parsley, divided
• 1/2 tsp

  garlic salt
• 1/2 tsp

  ground nutmeg
• 1/4 tsp

  pepper
• 2 Tbsp

  all purpose flour
• 2 c

  heavy whipping cream
• 1/2 c

  chicken broth
• 1/2 c

  2% milk
• 2 c

  shredded romano cheese
• 1 1/2 c

  shredded part-skim mozzarella cheese