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
• 2–3 avocados
• 1 lime
• 1 garlic clove, minced
• ¼ cup chopped cilantro
• Salt
• ½ cup sour cream
• ¾ cup plain Greek yogurt
• 2–3 tablespoons Tex Mex seasoning
• 3–4 cups shredded romaine lettuce
• 2 cups grated cheddar cheese
• 1 ½ cups halved or quartered cherry tomatoes
• 2–3 green onions, thinly sliced