Buttermilk Scalloped Potato Onion With Swiss Cheese
Lovely crunchy top and soft juicy inside.
Steps
Preheat oven to 350f.
Mash together the mustard and the butter with a tablespoon of buttermilk.
Set aside.
Pour enough of the buttermilk to cover the bottom of an au gratin dish.
Layer onion slices and potato slices alternately.
Sprinkle salt and pepper to taste over each potato layer and put blobs of the butter mixture on each layer of potato.
Ending with a potato layer and butter mixture blobs.
Pour the rest of the buttermilk over all.
Open layers a little with a fork as you pour to let the buttermilk through.
Sprinkle swiss cheese shreds evenly over the top.
Bake for 45 minutes to 1 hour or until potatoes are fork tender and top is browned and crunchy.
Ingredients
buttermilk, grainy mustard, butter, potato, sweet onion, salt and pepper, swiss cheese