While the StackExchange link is awesome, the rest are just horrible. As with all these wannabe designers they go for the wow effect. It takes about half a second of rational thought to see why.
All these art mockups are just that: art mockups. "How do I make a thing look pretty". A tired mantra of programming smays: make it work, make it fast, and only then make it pretty.
Touch screens in the kitchen. In the effing kitchen! When you are often up to your eyebrows in grease, oil, flour, vegetable juices etc.
Oh, look, you have to turn the knob to set the time. To set the power you have to touch some other area and then turn the nob again. To set the time, you have to touch that area again to switch modes, and then set the time. BUT WHY? This is solved with just having two knobs! https://johnlewis.scene7.com/is/image/JohnLewis/233182566?$p...
Oh, look. As it starts, it shows you time remaining, and a stop button. Because you never ever in your entire life would want to, say, adjust time. Nope? The thought never even occured to the designer.
Oh, look, there are still multiple small buttons (that are already awkward on a vertical pane), but let's make them touch buttons! Oh, and let's leave them exactly the same as they are now, because the only reason why people don't understand how they work is because they are not touch buttons. Make them touch buttons! They will immediately become intuitive!
Oh, look, the iOS time scroller! Because that's exactly what I need: to be able to set 23h 29m 31s by scrolling through infinite lists of numbers. I wonder why is it that the vast majority of microwave uses are around 30s to 5min range on max power?
I could go on