Ingredients for - Buttermilk Parmesan Potatoes

1. Butter 4 tablespoons
2. Minced red onion ¼ cup
3. Garlic, minced 2 cloves
4. All-purpose flour ⅓ cup
5. Salt ½ teaspoon
6. Pepper ¼ teaspoon
7. 2% milk 1 cup
8. Buttermilk 1 cup
9. Freshly grated Parmesan cheese, divided 1 cup
10. Potatoes, peeled and cubed 14 small

How to cook deliciously - Buttermilk Parmesan Potatoes

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Lightly grease a 9x13-inch baking dish.

2 . Stage

Melt 1 tablespoon butter in a saucepan over medium heat. Add onion and garlic; cook and stir until onion is translucent, about 5 minutes. Stir in remaining 3 tablespoons butter until melted. Sprinkle flour, salt, and pepper over onion mixture; cook and stir until mixture bubbles and thickens, about 2 minutes. Gradually whisk in milk and buttermilk, and return mixture to a boil. Stir in 3/4 cup Parmesan cheese; cook until melted and smooth, about 2 minutes.

3 . Stage

Arrange potatoes over the bottom of the prepared baking dish. Pour sauce over potatoes, and stir until evenly coated.

4 . Stage

Bake in the preheated oven for 1 hour, stirring halfway through. Stir once more, top with remaining 1/4 cup Parmesan, and bake until cheese is melted and golden brown, about 20 more minutes.