Hasselback Potato Casserole

Name: Hasselback Potato Casserole
Yield: Serves 8
Ingredients: 6 slices, bacon, chopped fine; 2 cups, finely chopped onion; 1¼ cups, chicken broth, divided; 4 , garlic cloves, minced; 1 tablespoon, minced fresh rosemary, divided; 1 tablespoon, unsalted butter; 4 1/4 pounds, large russet potatoes, unpeeled; 6 ounces, Gruyère cheese, shredded (1½ cups), divided; 2 ounces, Parmesan cheese, grated (1 cup), divided; 2 teaspoons, table salt; 1 teaspoon, pepper

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Appears in Cook's Country December/January 2022

A crowd-pleasing, showstopping dish that turns the idea of a gratin on its side.

SERVES8

TIME3 hours

WHY THIS RECIPE WORKS

Hasselback potatoes, whole potatoes that are sliced thin almost all the way through to create a fanned effect, look cool but require some care and precision to prepare. Chef and author J. Kenji López-Alt, an America's Test Kitchen alumnus, ...

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