Hasselback potatoes get their name from the restaurant that invented them in 1940: Stockholm, Sweden’s Hasselbacken, which has been running since 1748. Hasselback potatoes are a simple dish—in their most basic form, they are simply sliced accordion-style. The easy Hasselback potato technique allows the outside of the potatoes to become crispy and brown, while their insides remain soft.

Test Kitchen Tip: The secret to perfect popovers lies in the temperature: You’ll need to spoon the batter into a hot muffin pan and immediately pop them into a hot oven. By preheating the oven with the muffin pan inside, you’ll achieve the perfect popover temperature. The rest is simple—with basic ingredients you already have in your pantry, like flour, milk, eggs, and butter, you can make these golden brown appetizer bites in less than thirty minutes.

Undercook the pasta by 1 minute. It will continue to cook in the creamy sauce while the crumb topping toasts under the broiler.