Prepare the sauce base

• Whisk the cornstarch into the chicken broth until smooth.
• Pour the mixture into the slow cooker.

Add the chicken and seasonings

• Place the chicken breasts into the slow cooker.
• Pour in the heavy cream.
• Season with salt, pepper, garlic powder, onion powder, rosemary, thyme, oregano, basil and paprika.
• Scatter the drained sun-dried tomatoes and lay the sliced butter on top.

Slow cook

• Cover and cook on high for 2 1/2 to 3 hours, or on low for 6 to 7 hours, until the chicken is cooked through.

Shred the chicken

• Shred the cooked chicken directly in the sauce with two forks.

Cook the tortellini

• Boil the tortellini in salted water according to the package directions.
• Drain the tortellini.

Combine and serve

• Add the drained tortellini to the slow cooker and toss with the creamy chicken sauce.
• Serve hot.