IF I have minced meat, my DINNER is ready in 15 minutes!

IF I have minced meat, my DINNER is ready in 15 minutes! Ingredients: for the potatoes composition: potatoes - 600 g ( oz) water - 1 l (34 fl oz) TO BOIL 15-25 minutes milk - 70 ml (2.3 fl oz) melted butter - 25 ml ( fl oz) salt - 5 g ( oz) black pepper - 3 g ( oz)