01 -
Slice the avocado, halve the cherry tomatoes, and arrange mozzarella slices for assembly.
02 -
Evenly spread softened butter over one side of each bread slice.
03 -
Arrange one bread slice, buttered side down, on a clean plate. Layer with mozzarella slices, cherry tomato halves, and avocado. Top with remaining bread slice, buttered side facing up.
04 -
Preheat a non-stick skillet over medium heat. Place the assembled sandwich in the skillet. Cook for 2–3 minutes or until the underside is golden brown.
05 -
Carefully flip the sandwich using a spatula. Continue to grill for an additional 2–3 minutes until both sides are golden and cheese is fully melted.
06 -
Transfer to a cutting board, let rest briefly, then cut in half. Serve warm. For added flavor, garnish with fresh basil or drizzle with balsamic glaze if desired.