italian cheese stuffed shells & easy meatballs

Ingredients For italian cheese stuffed shells & easy meatballs

• 24

  uncooked jumbo pasta shells
• 1 c

  chopped fresh mushrooms
• 1 c

  finely chopped onion
• 1 tsp

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

  ricotta cheese
• 1 pkg

  (8 ounces) cream cheese, softened, divided
• 1 1/2 c

  shredded asiago cheese, divided
• 1 c

  shredded parmesan cheese
• 2 Tbsp

  minced fresh parsley, divided
• 1/2 tsp

  garlic salt
• 1/4 tsp

  pepper
• 2 Tbsp

  all-purpose flour
• 2 c

  heavy whipping cream
• 1/2 c

  chicken broth
• 1/2 c

  milk
• 2 c

  shredded romano cheese
• 1 1/2 c

  shredded part-skim mozzarella cheese
• SAUCE AND MEATBALLS
• 1 lb

  ground beef chuck
• 1 sm

  onion
• 5 clove

  garlic chopped
• 1/2 c

  rice cereal crumbs, divided
• 1/2 c

  milk
• 1 lg

  egg
• 6 Tbsp

  chopped flat-leaf parsley, divided
• salt to taste
• 1 Tbsp

  extra-virgin olive oil
• 2 jar

  marinara sauce