INGREDIENTS
1 tbsp
olive oil
1
large yellow onion, halved and sliced 1/2-inch thick
1 tsp
kosher salt, divided
1
medium red bell pepper, halved and sliced 1/2-inch thick
1 clove
garlic, minced
1 lb
ground chuck
1/2 tsp
freshly ground black pepper
8 oz
dry rotini pasta
2 14.5 ounce cans
low-sodium chicken broth
1 1/2 cups
shredded provolone cheese, divided
1 1/2 cups
shredded pepper jack cheese, divided