Mary Berg's 7-Layer Dinner

Ingredients

• 2 teaspoons chili powder
• 1 teaspoon cumin
• 1 teaspoon garlic powder
• 1 teaspoon smoked paprika
• 1 teaspoon dried oregano
• ½ teaspoon onion powder
• ½ teaspoon salt
• ¼ teaspoon pepper
• 8 boneless skinless chicken thighs
• 2 tablespoons butter, divided
• 1 yellow onion, diced
• 2 garlic cloves, thinly sliced
• 1 (540 ml) can black beans, drained and rinsed
• 1 cup long grain white rice
• 2 ¾ cups low-sodium chicken broth