One-Pot Creamy Cajun Chicken Pasta - Zest Plate

Ingredients

• 2 tablespoons unsalted butter
• 1 pound boneless skinless chicken breasts, cut into 1-inch cubes
• 3 ½ teaspoons Cajun seasoning, divided
• 3 cups (720 g) chicken broth
• 1 cup (238 g) heavy cream, room temperature
• 16 ounces penne pasta, uncooked
• ½ cup (120 g) ranch dressing
• ½ teaspoon kosher salt
• ¼ teaspoon black pepper
• 1 cup (113 g) mozzarella cheese, shredded
• ½ cup (50 g) parmesan cheese, grated
• Fresh parsley, for garnish