Heat cooking oil in a pot over medium heat and sauté the minced garlic until fragrant.
Add turmeric powder and stir for a few seconds to release the aroma.
Add the sliced chayote or green beans and cook for 2–3 minutes.
Pour in the coconut milk and stir gently.
Simmer the stew for about 10 minutes until the vegetables become tender.
Add salt to taste and mix well.
Place sliced lontong in a bowl and pour the hot vegetable stew over it. Serve warm.