Seperate the sliced onion into rings
Pour the milk into a bowl
Mix the semolina and paprika in a shallow dish
put the rings into the milk for about 2 minutes
Remove them and toss in the semolina
Shake off excess and put on a wire rack
Heat the oil
Gently fry the rings in batches until crispy
Drain on kitchen towel
Sprinkle with a little sea salt and serve