Creamy au Gratin Potatoes

👨‍🍳 Instructions

1. 1

   {'id': 'step_0', 'step': 1, 'text': 'Gather all ingredients. Preheat the oven to 400 degrees F (200 degrees C). Grease a 2-quart casserole dish with butter.'}

2. 2

   {'id': 'step_1', 'step': 2, 'text': 'Layer 1/2 of the potatoes in the bottom of the prepared casserole dish; season with salt and pepper.'}

3. 3

   {'id': 'step_2', 'step': 3, 'text': 'Layer onion slices over top, then top with with remaining potatoes. Season again with salt and pepper.'}

4. 4

   {'id': 'step_3', 'step': 4, 'text': 'Melt butter in a medium saucepan over medium heat. Whisk in flour and salt; cook, whisking constantly, until raw flour flavor has cooked off, about 1 minute.'}

5. 5

   {'id': 'step_4', 'step': 5, 'text': 'Gradually add milk, about 1/4 cup at a time, whisking well after each addition to incorporate; the gradual addition and whisking of milk will help avoid lumps in your sauce.'}

6. 6

   {'id': 'step_5', 'step': 6, 'text': 'Cook, whisking constantly, until the mixture has thickened, 3 to 5 minutes.'}

7. 7

   {'id': 'step_6', 'step': 7, 'text': 'Stir in cheese all at once; cook, stirring constantly, until melted, 30 to 60 seconds.'}

8. 8

   {'id': 'step_7', 'step': 8, 'text': 'Pour cheese sauce over the potatoes, and cover the dish with aluminum foil.'}

9. 9

   {'id': 'step_8', 'step': 9, 'text': 'Bake in the preheated oven until potatoes are tender and sauce is bubbly, about 1 ½ hours.'}

📊 Valeurs nutritionnelles

Par portion (4 portions au total)