Wash and prepare the tteokbokki rice cakes, garlic, silken tofu, and soybean noodles thoroughly.
Heat olive oil in a pan and sauté minced garlic until fragrant.
Add the rice cakes and silken tofu, then gently mix over medium heat.
Pour in water, low-sodium soy sauce, gochugaru (Korean chili flakes), and a bit of sugar. Bring to a boil.
Add the soybean noodles and continue to cook until all ingredients are well combined.
Taste and adjust seasoning with soy sauce or salt if needed.
Serve in a bowl and garnish with green onions and sesame seeds, if desired.