Preheat the oven to 180 degrees Celsius.
Crack the eggs into a bowl, add a pinch of salt and pepper, and beat well.
Add whole wheat flour and baking powder to the bowl and mix together.
Brush the baking mold with cooking oil.
Pour the egg mixture and the whole wheat flour mixture into the baking mold.
Cut low-fat sliced cheese and place it on top.
Bake in an air fryer or oven for 15 minutes.