Pre-heat the grill to medium heat (350F).
Season the watermelon slices with salt and pepper and brush lightly with olive oil. Grill about 1 to 2 minutes per side, or until there are nice grill marks.
Brush the cheese slices on both sides with olive oil. Season with salt and pepper and place on the grill until there are nice grill marks about 1 to 2 minutes per side.
Arrange the grilled cheese and grilled watermelon on a plate and sprinkle with the fresh herbs and lemon zest. Squeeze a little lemon juice and drizzle a little olive oil over the top and garnish with the Kalamata olives. Serve with fresh griddle bread.
