Kebab Soltani

Name: Kebab Soltani
Cuisine: Middle Eastern
Ingredients: 1 pound filet mignon, cut into 1-inch cubes; 1/4 cup olive oil; 1 tablespoon lemon juice; 1 teaspoon salt; 1/2 teaspoon black pepper; 1/4 teaspoon ground cumin; 1/4 teaspoon saffron threads, soaked in 1 tablespoon of warm water; For the Koobideh Kebab; 1 pound ground beef (80/20); 1/2 cup chopped onion; 1/4 cup chopped parsley; 1 teaspoon salt; 1/2 teaspoon black pepper; 1/4 teaspoon ground cumin