Roasted Chicken Thighs and Potatoes

Name: Roasted Chicken Thighs and Potatoes
Prep time: 15 min
Cook time: 50 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 8 chicken thighs (Note 1); 2 lbs potatoes (Note 2); 2 onions (optional, Note 3); 1 red bell pepper (optional); 2 tablespoons olive oil; ½ teaspoon sweet paprika; ½ teaspoon garlic powder; ½ teaspoon fine sea salt (or Kosher salt); ¼ teaspoon ground black pepper; a pinch of cayenne pepper ( or red pepper flakes, optional); 1 tablespoon olive oil; 1 teaspoon rosemary; ½ teaspoon thyme or oregano; ½ teaspoon fine sea salt