Preheat the oven to 350 degrees F
Line a baking sheet with aluminum foil or baking paper.
Place the pumpkins in the oven and bake for 30 -40 min until you can easily run a fork through them.
Let cool, peel & de-seed
Peel and dice the onion
Heat the same oil and fry the onion until transparent.
Stir in the pumpkin. Cook for 5 minutes, stirring occasionally breaking up any big pieces of pumpkin.
Add the vegetable broth and cream Cover the pot and bring the mixture to a boil.
Stir in the gochujiang and tahini.
Lower the heat and simmer for 20 minutes.
Toast the sesame seed in a naked frying pan and set aside.
Use a stick blender to puree the soup.
Cook for another 5 minutes.
Season with salt and pepper.