Cook pasta according to package instructions.
Add 1 tbsp oil to a pan over medium heat. Add garlic and miso, stirring for a minute.
Add mushrooms, combining with miso for 1-2 minutes before adding kimchi.
Once both are cooked, add tamari and coconut milk and let it simmer for a few minutes.
Just before adding the pasta, add spinach. Then add cooked pasta and serve.