Heat the vegetable oil in a large pan over medium heat.
Add chopped onion and sauté until translucent.
Stir in minced garlic and grated ginger; cook for 1 minute.
Add curry paste and cook, stirring constantly, for 2 minutes.
Pour in the coconut milk and bring to a simmer.
Add mixed vegetables and cook until tender, about 5-7 minutes.
Season with salt to taste.
Reduce heat and let it simmer for another 5 minutes.
Garnish with fresh cilantro before serving.
Serve hot with lime wedges on the side.