y sauce, tender potato slices, a bit of onion, often some cheese, and (my favorite) the crunchy baked-on edges of the pan. Yum! But it takes so long for the raw potato slices to get cooked through in the oven. And, depending on your method, the milk may separate or curdle. It will still taste good, but it doesn’t look as nice.
Most recipes I’ve come across call for baking the raw potato slices in either plain liquid milk or a very thin béchamel sauce. Both methods work. With the plain milk, you need to use a moderately hot oven, no more than 350 degrees or the milk may separate. Curdling can happen in milk as the proteins coagulate and lump together. This causes separation of the curds (the protein lumps) from the remaining liquid. Several factors can cause curdling, including a high cooking temperature.
You can avoid curdling in scalloped potatoes in several ways. You could be sure to slice your potatoes thinly & evenly, don’t pile on too many layers, and bake in a moderate oven. You could bake the potato slices in a thin béchamel or white sauce. The added starch (flour or cornstarch) in the sauce will help prevent curdling. You can use cream for the liquid. Cream has more fat and less protein, so it doesn’t curdle easily. But no matter which of these methods you use, you still have to bake the potatoes in a moderate oven and that takes a while.
A few weeks ago I had a craving for scalloped potatoes, and it hit me at about 5:00 p.m. I knew that by the time I got the ingredients ready, put the casserole in the oven, and the potatoes actually cooked, we’d be eating too late. That’s when I remembered another method: cooking the potatoes in cream on the stove top first. I’d never wanted to try that method because I thought it was too much work, adding another step I didn’t want to follow. But I really, really wanted some scalloped potatoes. So I decided to give it a try.
I always have heavy cream on hand. That’s because I don’t tolerate fresh, liquid milk at all. I can handle yogurt, but no more than a ½ cup at a time per day. I have no problems with milk, yogurt, buttermilk, & sour cream in baking or cooked foods, thank goodness. For baking and any other recipes requiring milk, I use instant dry milk. Because of its 
high fat content, heavy cream does not spoil as quickly as other milk products. It stays good in my fridge for quite a while.
high fat content, heavy cream does not spoil as quickly as other milk products. It stays good in my fridge for quite a while.
I’ve found heavy cream useful in a low sodium diet. Just a couple of tablespoons added to a so-so gravy or sauce adds a sumptuous, rich texture that offsets blandness.
Back to scalloped potatoes: I didn’t want to use all cream for the potatoes, so I simmered them in NSA chicken broth. I added two cloves of crushed garlic and some thyme to the simmering liquid along with thinly sliced onions. It didn’t take long before the starch from the potatoes had begun to thicken the sauce and the potatoes were slightly underdone. At that point, I stirred in about 1/3 cup of heavy cream, transferred everything to a greased casserole (made sure all the potatoes were covered in some sort of liquid), sprinkled lightly with a combination of grated Swiss & cheddar cheese, and topped with homemade flavored bread crumbs (crushed garlic, 2 tablespoons Parmesan cheese, 2 tablespoons olive oil, and an assortment of dried & fresh herbs). I put the casserole in my pre-heated 400 degree toaster oven (425 degrees in a regular oven) and baked for about 15-20 minutes until bubbly and the potatoes were completely tender. If I had been thinking clearly, I would have used a stovetop-to-oven pan for simmering the potatoes. That would have saved one step and one dirty pan.
The entire operation, from start to finish, took about 30-35 minutes. Much shorter time than baking raw potato slices in the oven. I liked this method so much that I’ve used it several times since that first effort. The potatoes can be flavored many different ways: thyme, rosemary, or a special no-salt blend like Penzy’s “Mural of Flavor;” chopped jalapeno, poblano, chipotle, or Anaheim peppers; vegetable additions like carrots, sweet potatoes, broccoli florets, corn; and even homemade low sodium sausage crumbles or a couple of slices of crumbled low sodium bacon.
This method was much easier than expected and produced tender, creamy potatoes (with no curdling). My husband and I couldn’t stop nibbling. I really didn’t need anything else with the meal.
6 comments:
OH MY!!!! Those potatoes look divine!! We just ate dinner, I am stuffed and STILL salivating. Can't wait to try these, thank so much for sharing!
Christy, one thing that's so nice about this method is that it's summer friendly. Since most of the real cooking is done on the stove top at a simmer, you don't end up overheating the kitchen. If you have a toaster oven, the final bake shouldn't generate a lot of heat. I honestly think you could forgo the baking altogether too. Just sprinkle the cheese & flavored breadcrumbs on top, set the pan cover ajar, and let everything melt together before serving. That's what I do during the summer for tuna casserole and macaroni & cheese.
I tried these on Wednesday night and we both spent Thursday counting the hours until dinner when we could finally eat the leftovers. SO GOOD!
Katie, I'm glad the method worked for you. Thanks for visiting the blog.
I made some scalloped potatoes which unfortunately curdled...I went looking for an answer and found yours! Thank you for sharing your knowledge...it's a great help!!
I think the curdling problem comes from using low-fat or non-fat milk products. That's why cream is used in so many dishes. To avoid the curdling, you could make a thin white sauce that's thickened with flour.
I like this technique because the potatoes are partially cooked in broth -- less fat & calories -- and then finished with cream. The potatoes exude their own starch, thickening the sauce, so you don't have to fuss with a roux. Hope it works for you.
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