Give me a cooking recipe for the following food.
Tteokbokki
Ingredients: 1/2 cup rice cakes, 1/2 cup fish cakes, 1/4 cup gochujang, 1/4 cup water, 1/4 cup sugar, 1/4 onion, 1 green onion.
Instructions: 1. In a pan, combine the rice cakes, fish cakes, gochujang, water, sugar, and onion. 2. Cook over medium heat for 5-7 minutes, stirring occasionally. 3. Add the green onion and cook for 1-2 minutes.