We’ve seen plenty of potato trends over the past few years: Retro hasselback potatoes made a comeback, buttery “melting” potatoes took over Pinterest soon after, and now smashed potatoes are the spuds of the moment. The idea is to simmer small potatoes until tender, then toss them with olive oil, flatten them and crisp them in the oven. It’s simple — and insanely delicious. There are more than 35,000 #smashedpotatoes photos on Instagram, and many Food Network stars are obsessed, too. Here’s how to make them like a pro.