Follow these simple steps to create your delicious Grilled Caprese Zucchini Boats:

1. Preheat the Grill: Preheat your grill to medium heat, about 350°F (175°C).
2. Prep the Zucchini: Cut the zucchinis in half lengthwise and scoop out some of the insides to create a boat shape. This also ensures they cook uniformly.
3. Season the Zucchini: Brush both sides of the zucchini halves with olive oil and sprinkle with salt and pepper.
4. Grill the Zucchini: Place the zucchini on the grill, cut side down. Grill for about 5-7 minutes until grill marks form and they begin to soften.
5. Prepare the Filling: In a bowl, combine the halved cherry tomatoes, mozzarella pearls, and chopped basil. Mix gently until well combined.
6. Fill the Zucchini: Remove the zucchini from the grill, carefully flip them over, and fill each half with the tomato and mozzarella mixture.
7. Final Grilling: Return to the grill and cook for an additional 5-7 minutes until the cheese is melted and bubbly. Drizzle with balsamic glaze if desired before serving.