Homemade Wafer Bar

2 cups semisweet chocolate chips 1 14oz can sweetened condensed milk 1 tsp. pure vanilla extract 2 cups Chex cereal Spray 8”x8” baking dish with nonstick cooking spray and set aside. In large saucepan over medium low heat, add sweetened condensed milk and chocolate chips. Stir frequently until chocolate is melted and smooth. Remove from heat. Add vanilla and stir to incorporate. Add cereal and mix well until fully covered. Pour mixture into prepared pan in even layer. Refrigerate 2 hours to chill. Cut as desired. Serve immediately. Store covered in fridge.