In a large skillet, heat the olive oil over medium heat. Season the chicken tenders with garlic powder, onion powder, paprika, salt, and pepper. Add the chicken to the skillet and cook for about 5-7 minutes, or until browned and cooked through. Remove the chicken from the skillet and set aside.
In the same skillet, add the chicken broth and bring to a simmer, scraping up any browned bits from the bottom of the pan.
Stir in the heavy cream and sliced pepperoncini peppers. Allow the mixture to simmer for about 3-4 minutes, stirring occasionally.
Return the chicken tenders to the skillet and let them simmer in the creamy sauce for an additional 5 minutes, allowing the flavors to meld.
Sprinkle the shredded mozzarella cheese over the chicken and cover the skillet. Cook for another 2-3 minutes, or until the cheese is melted and bubbly.
Garnish with fresh parsley before serving.