Vegetarian Potatoes au Gratin

Total Time

Prep: 15 min. Bake: 50 min. + standing

Makes

6 servings

Updated: Jun. 24, 2023
Fill up on veggies and load up on terrific flavor with this creamy, hearty casserole. You'll appreciate the homey crumb topping and hands-free bake time at the end of a long day. —Taste of Home Test Kitchen
Vegetarian Potatoes au Gratin Recipe photo by Taste of Home

Ingredients

  • 3 medium carrots, thinly sliced
  • 1 medium green pepper, chopped
  • 4 tablespoons butter, divided
  • 3 tablespoons all-purpose flour
  • 1 teaspoon dried oregano
  • 1/2 teaspoon salt
  • 2-1/2 cups 2% milk
  • 1 can (15 ounces) black beans, rinsed and drained
  • 3 cups shredded Swiss cheese, divided
  • 4 medium Yukon Gold potatoes, thinly sliced
  • 1/2 cup seasoned bread crumbs

Directions

  1. Preheat oven to 400°. In a large saucepan, saute carrots and pepper in 3 tablespoons butter until tender. Stir in flour, oregano and salt until blended; gradually add milk. Bring to a boil; cook and stir 2 minutes or until thickened. Stir in beans and 2 cups cheese until cheese is melted.
  2. Layer half the potatoes and sauce in a greased 13x9-in. baking dish; repeat layers. Sprinkle with remaining cheese. In a microwave, melt the remaining butter. Stir in bread crumbs. Sprinkle over top.
  3. Cover and bake 50-55 minutes. Let stand 10 minutes before serving.

Nutrition Facts

1 serving: 557 calories, 25g fat (16g saturated fat), 77mg cholesterol, 749mg sodium, 56g carbohydrate (12g sugars, 7g fiber), 27g protein.