1. preheat oven and line a 9×13-inch pan with parchment paper

2. prepare brownie batter according to box directions and pour into pan

3. bake brownies until a toothpick comes out with moist crumbs, then cool completely

4. melt white candy melts and pipe small circles on each cooled brownie square

5. press one candy eyeball into each white chocolate circle

6. use dark chocolate chips or black gel to add pupils if needed

7. draw thin red frosting veins around each eyeball

8. drizzle raspberry syrup over squares for a gory effect

9. sprinkle green or blue sprinkles for iris detail if desired

10. slice brownies into squares and serve