Combine chocolate chips, condensed milk, and vanilla in a pan and cook on low, stirring often, until chocolate is melted.
Pour the chocolate in an 8x8-baking dish lined with wax paper.
Place 30 unwrapped caramels and 2 tablespoons evaporated milk in a microwave safe dish and cook until melted. Stop and stir often. (It doesn’t take long!)
Pour caramel mixture into dish on top of the chocolate.
Sprinkle hazelnuts (or other nut you choose) over caramel and press down gently.