Recipe: Philly Cheesesteak Pasta Skillet

Name: Recipe: Philly Cheesesteak Pasta Skillet
Ingredients: 1 tablespoon olive oil; 1 large yellow onion, halved and sliced 1/2-inch thick; 1 teaspoon kosher salt, divided; 1 medium red bell pepper, halved and sliced 1/2-inch thick; 1 clove garlic, minced; 1 pound ground chuck; 1/2 teaspoon freshly ground black pepper; 8 ounces dry rotini pasta; 2 (14.5-ounce) cans low-sodium chicken broth; 1 1/2 cups (4 1/2 ounces) shredded provolone cheese, divided; 1 1/2 cups (4 1/2 ounces) shredded pepper jack cheese, divided