Thinly slice the onion and garlic, removing the core of the garlic.

Wash the clams thoroughly and drain excess water.

Heat olive oil, garlic, and chili in a pan over low heat until fragrant. Add onion and sauté over medium heat until softened. Add clams and stir briefly.

Add water and bring to a boil. Cover and simmer over low heat for 5 minutes until clams open. Add tomato juice and salt, then bring to a boil.

Cook the noodles in boiling water according to package instructions. Drain and set aside.