01 -
Set oven to 175°C and allow to fully preheat.
02 -
Combine shredded chicken breast with garlic powder, onion powder, salt, and pepper in a small bowl. Mix thoroughly so the chicken is evenly seasoned.
03 -
Spread a thin layer of butter on one side of each bread slice.
04 -
Arrange two slices of buttered bread, buttered side down, on a baking tray lined with parchment.
05 -
Divide the seasoned chicken mixture evenly over the bread. Top with sliced avocado, followed by a generous layer of shredded cheddar cheese.
06 -
Place the remaining two bread slices on top, buttered side facing up.
07 -
Transfer the tray to the oven and bake for 10-15 minutes, until cheese is melted and bread is golden and crisp.
08 -
Remove from oven and allow sandwiches to cool for several minutes. Slice each sandwich in half and serve warm.