01 - Set a grill or grill pan to medium-high heat and allow it to reach full temperature before cooking.
02 - In a small bowl, combine the olive oil, minced garlic, dried oregano, sea salt, and black pepper. Whisk until evenly blended.
03 - Using a basting brush, generously coat both sides of each eggplant and tomato round with the marinade mixture.
04 - Place the eggplant slices on the grill and cook for 4 to 5 minutes per side, until fork-tender with distinct grill marks.
05 - Grill the tomato slices for approximately 2 minutes per side, just until softened but still holding their shape.
06 - Arrange the grilled eggplant and tomato slices on a serving platter in alternating layers. Drizzle with balsamic glaze and finish with the basil chiffonade.