I found this one online and made it once. It is easily restaurant quality and I was surprised how good it is. Also very easy.
1 can coconut milk
~1/4 cup red or massaman curry paste
3/4 cut natural creamy peanut butter (she is very specific about natural, but you could try regular)
3/4 cup sugar
1/2 tablespoon salt
2 tablespoons white or apple cider vinegar (also very specific on not using any other kind of vinegar)
1/2 cup water
Heat everything to a boil in a pot, let it simmer 3-5 minutes, then cool down to room temp.
Enjoy..this shite is good original recipe