01 - Toast the bread slices in a toaster or dry skillet over medium heat until golden brown and crispy on both sides.
02 - Halve and pit the avocado, then scoop the flesh into a small bowl. Mash with a fork until creamy. Season with sea salt, cracked black pepper, and a squeeze of fresh lemon or lime juice if desired.
03 - Divide the mashed avocado evenly and spread a generous layer over each slice of toasted bread.
04 - Spoon the drained, chopped kimchi over the avocado layer, distributing it evenly across both toasts.
05 - Drizzle with olive oil, then sprinkle with toasted sesame seeds, chopped cilantro, and red pepper flakes if using. Serve immediately while the toast is still warm and crisp.