I can't stop making it for breakfast! Easy, quick and very delicious recipe!

Ingredients:
vegetable oil: 2 tbsps
sausages: 200 g (7.1 oz)
bread: 4 slices
eggs: 2 pc
milk: 30 ml (1 fl oz)
salt and black pepper to taste:
cheese: 4 slices
butter: 20 g (0.7 oz)
scallions: 2 pc
ham: 50 g (1.8 oz)