Chicken Doner Kebab u0026amp; Rice platter

Name: Chicken Doner Kebab u0026amp; Rice platter
Ingredients: 500g chicken breast (thinly sliced); 3 tablespoons olive oil; 2 teaspoons ground cumin; 2 teaspoons paprika; 1 teaspoon garlic powder; 1 teaspoon onion powder; Salt and pepper to taste; 2 cups basmati rice; 4 cups chicken broth (or water); 1 tablespoon butter; 1 teaspoon salt; 1 cup mixed salad greens; 1 cucumber (sliced); 1 tomato (diced); ½ red onion (thinly sliced); Lemon wedges for serving; Tzatziki sauce or yogurt (optional)