I used one whole onion (mine were on the smaller side) and 1/2 cup of full fat coconut milk. (theglowingfridge.com)
I ended up not using the whole cup of maple syrup and went 1/2 cup maple syrup and 1/2 cup full fat coconut milk. (detoxinista.com)
I have a milk allergy (but ghee doesn't bother me) so I was going to try replacing the butter with ghee and the heavy cream with full fat coconut milk. (smittenkitchen.com)