Heat the coconut oil and ghee over high heat in a skillet.
1 tbsp. coconut oil, 1 tbsp. ghee
Add the sliced onions and garlic, and cook for about 10 minutes, stirring constantly.
3 onions, 3 garlic cloves
Reduce the heat to medium-low and continue cooking the onions for 20 more minutes, still stirring frequently.
Add the balsamic vinegar to deglaze the pan.
1 tbsp. balsamic vinegar
Add the sliced mushrooms and season to taste with salt and pepper cook until the mushrooms are tender but not mushy.
10 mushrooms, Sea salt and freshly ground black pepper
Add the spinach. Stir on low heat just until the spinach wilts, and serve.
3 cups spinach or baby spinach