· boneless pork loin roast, about 2 1/2 pounds
· 1 medium onion, thinly sliced
· 2 cups barbecue sauce
· 1/2 cup salsa
· 2 tablespoons chili powder
· 1 teaspoon ground cumin
· 1/2 teaspoon garlic powder
· 1/2 teaspoon oregano
· 1/4 teaspoon ground black pepper
· 1/8 teaspoon ground red pepper, or to taste
· 1/2 teaspoon salt
· 1 small green bell pepper, cut in strips