Cook the pasta according to your package instructions.
Cut the pumpkin in a half and remove the seeds. Put it on a baking sheet and bake at 350F (180°C) for 45 minutes, or until soft.
When the pumpkin is baked. Carefully remove the seeds and skin.
In a saucepan heat oil and vegan butter. Fry garlic and veggie stock powder until golden. Next, add pumpkin and sautee for 3 minutes.
Pour soy milk over the pumpkin along with soy cream, and lemon juice.
Remove from the heat and blend with a hand blender.
Lastly, season with salt and pepper. Pour the sauce over pasta and enjoy!