Heat olive oil in a large skillet over medium heat.
Sauté onion until golden, about 5 minutes.
Add garlic and stir for another minute until fragrant.
Toss in mushrooms and cook until browned, about 7 minutes.
Stir in paprika, soy sauce, and mustard, letting the flavors blend.
Pour in broth, then bring to a gentle simmer.
Mix in coconut cream, stirring until smooth and velvety.
Add cornstarch slurry and cook until the sauce thickens.
Boil pasta in salted water according to package directions.
Drain pasta and toss it into the stroganoff sauce.
Garnish with parsley and serve hot.