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Adapted from Bull BBQ with permission.

Grilled Watermelon Slices with Lemon Agave Syrup

Grilled Watermelon Slices with Lemon Agave Syrup

Prep 5 mins
Cook 10 mins
Serves 4
Difficulty Beginner

Sweet, juicy watermelon takes on a whole new character on the grill. A few minutes over the coals caramelises the sugars and adds a gentle smokiness that makes this the most surprisingly delicious thing you'll serve at your next barbecue. Finished with a sharp, bright lemon agave syrup, it's the perfect summer dessert β€” no plates required.

Ingredients

  • 12 watermelon slices (quartered wedges, about 2.5cm thick)
  • Agave syrup, for brushing

Lemon Agave Syrup

  • Juice of 2 lemons
  • Zest of Β½ lemon
  • 3 tablespoons agave nectar

Method

  1. Get your BBQ grill nice and hot β€” you want a good direct heat for caramelising the watermelon. Aim for a medium-high heat, around 200–220Β°C at the grate.
  2. Make the lemon agave syrup by whisking together the lemon juice, lemon zest and 3 tablespoons of agave nectar in a small bowl until combined. Set aside.
  3. Pat your watermelon slices dry with kitchen paper β€” a drier surface means a better char.
  4. Brush each watermelon slice generously on both sides with agave syrup.
  5. Place the watermelon slices directly on the grill grate. Cook for 2–3 minutes per side until you get clear grill marks and the surface begins to caramelise. Keep a close eye β€” the sugar can catch quickly.
  6. Remove from the grill and arrange on a serving plate. Drizzle liberally with the lemon agave syrup and serve immediately while still warm.

Originally published by Bull BBQ. Adapted for UK audiences by Cedar Kitchen in the Garden.

Cedar Tip

Pat the watermelon dry before grilling β€” any excess moisture will steam rather than caramelise, and you'll miss out on those gorgeous charred grill marks. A quick dab with kitchen paper makes all the difference.
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