Preheat the oven to 400° F.
Place the salmon fillets in a large baking dish. Drizzle olive oil and season each fillet with cumin, salt and pepper.
Place the baking dish in the oven and bake for 15 to 20 minutes or until the salmon is cooked through.
While the fish is cooking make the sauce:In a medium saucepan melt the butter.
Add the onions and cook for 3 minutes, stirring often. Add the garlic and cook for 1 more minute.
Add the coconut milk, heavy cream, saffron and chicken bouillon.Bring to a boil, then reduce the heat to low and let it simmer for about 10 minutes stirring occasionally.
Spoon sauce over the salmon fillets and serve warm.