When the chips melt add the condensed milk and stir. Add vanilla and whipping cream and stir. Remove from heat and let cool. Well mixture is cooling, line a casserole pan with parchment paper. Once the sauce pan is cool enough to touch, pour the mixture into the prepared pan. Smooth out the top of the mixture with a spatula. Cover pan with saran wrap and put in the fridge. let cool and set for at least 5 hours. Enjoy!!!