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Halloween Watermelon Keg Recipe
Ash Tyrrell

Halloween Watermelon Keg Recipe

I made this Halloween watermelon keg for a small costume night, and it stole the whole table. I carved a big melon, popped in a tap, and filled it with a fruity punch. Guests kept walking over just to pour a cup and poke at it.
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Total Time 10 minutes
Ingredients Method Notes

Ingredients
  

  • 1 large round watermelon about 15 to 20 pounds: Pick one that sits flat and sounds hollow when tapped.
  • 3 cups lemon-lime soda: Adds fizz so pour it in right before serving.
  • 2 cups white grape juice: Gives gentle sweetness without muddying the pink color.
  • 1/2 cup fresh lime juice: Cuts the sugar and keeps the punch bright.
  • 2 cups ice cubes: Keeps the punch cold without watering it down too fast.
  • 1 cup white rum or vodka optional: Turns it into an adults-only punch, so label it clearly.
  • 1 cup gummy worms: Creepy garnish that hangs off the cups and the keg.
  • 1 cup blackberries: Dark berries float like spooky little eyeballs.
  • 1 lime sliced into wheels: Adds a fresh green pop to the glasses

Method
 

  1. Rinse the watermelon well and dry it with a towel. Roll it on the counter and look for the flattest side. A steady melon makes every other step easier and safer.
  2. Cut about one inch off the top of the watermelon. Set the lid aside so you can use it later as a cover. Go slowly so you do not crack the rind.
  3. Use a large spoon or ice cream scoop to remove the red fruit. Work in circles and leave a thin layer of flesh on the rind. Drop everything into a big bowl and remove as many seeds as you can.
  4. Turn the melon on its side and look at how it rocks. Slice a thin sliver off the bottom so it sits level. Do not cut too deep, or you may open a hole you do not want.
  5. Use an apple corer to push a small hole near the bottom of one side. Keep it about two inches above the table so cups fit under the tap. Twist the corer gently instead of forcing it.
  6. Use a knife to widen the hole until it is slightly smaller than the watermelon tap. This snug fit helps stop leaks. Push the spigot in with a twist, and make sure it feels tight.
  7. Blend the scooped watermelon in batches until smooth. Pour it through a fine mesh strainer into a large pitcher. You should end up with about six cups of bright pink juice.
  8. Stir the watermelon juice with the grape juice, lime juice, and optional rum or vodka. Taste it and add a little more lime if it feels too sweet. Chill the mixture if you have time.
  9. Place the melon on a tray or large rimmed plate. Add the ice, then pour in the punch until it is about two inches below the rim. Top with the soda and stir gently so you keep the fizz.
  10. Drop in blackberries and lime wheels so they float on top. Hang a few gummy worms over the edge of the melon. Set the lid back on, place cups nearby, and let guests tap their own drinks.

Notes

  • I always test the tap with plain water before adding punch, so I can catch leaks early.
  • I chill the whole watermelon overnight, which keeps the punch cold for hours.
  • I add the soda last, because it goes flat fast when it sits in the melon.
  • I keep the tap hole low but not too low, so cups still slide under it easily.
  • I place a rimmed tray under the keg, because a few drips are normal.
  • I use a watermelon keg tapping kit when I host a bigger crowd, since the tap is sturdier.
  • I draw a face with a marker first, then carve it, so the design looks even.