No one expected such a result! The recipe that conquered everyone

Ingredients:
water: 300 ml (10 fl oz)
salt: 7 g (0.2 oz)
eggs: 2 pc
flour: 700 g (25 oz)
melted butter: 100 g (3.5 oz)
chicken meat: 800 g (28 oz)
onion: 1 pc
mayonnaise: 20 g (0.7 oz)
ketchup: 20 g (0.7 oz)
chicken seasoning: 7 g (0.2 oz)
chili flakes: 3 g (0.1 oz)
salt: 3 g (0.1 oz)
black pepper: 3 g (0.1 oz)
vegetable oil: 10 ml (0.3 fl oz)
eggs: 1 pc