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Black Bean Potato au Gratin

Prep: 25 min. Cook: 8 hours

6 servings
Updated: Feb. 23, 2023

The addition of black beans and vegetables adds hearty protein and fiber to this tasty side dish. For a southwestern twist, add a handful or two of chopped cooked ham or chorizo sausage and replace the peas with 1 cup of frozen, thawed corn. —Erin Chilcoat, Central Islip, New York