Heat the cooking fat in a pan over a medium heat and cook the onion until softened, about 6 minutes.
2 tablespoon cooking fat, 1 onion
Add the garlic and the mushrooms and cook for another 3 to 4 minutes, until the mushrooms have softened.
1 garlic clove, ½ lb brown or white button mushrooms
Add the wine, bring to a boil and reduce to a simmer then let simmer for about 3 minutes.
½ cup white wine
Pour in the coconut milk, return to a simmer and let simmer for another 10 minutes, until reduced by half.
1 ¼ cups coconut milk
Season to taste with sea salt and freshly ground black pepper and serve over meat or vegetables.
Sea salt and freshly ground black pepper to taste