Chicken Noodle Skillet Casserole (Keto & High Protein)

Ingredients

• 1 rotisserie chicken (about 4 cups shredded, cooked chicken)
• 1/4 cup unsalted butter
• 1 cup sliced celery
• 1/2 cup sliced carrots
• 1/4 cup finely diced onions
• 2 cloves garlic, minced
• 1 tablespoon arrowroot powder or cornstarch
• 1/2 cup heavy cream
• 3 cups chicken broth
• 6 oz lupini pasta
• 1/2 teaspoon salt
• 1/2 teaspoon pepper