Oyster Casserole

Oyster Casserole is so flavorful and a Southern classic dish, especially during the holidays.

My grandma used to make Oyster Casserole every Christmas. I was a pretty young Texan kid at the time, and oysters scared me a little.But I remember my sister and my cousin Cindy just loved it. Now, I can’t get enough of it. Try it, and you’ll see what we mean.

Oyster Casserole recipe

HOW TO MAKE THE CLASSIC OYSTER CASSEROLE

Obviously, there are many types of oysters, fresh and package. For this recipe, we think the packaged variety is perfect acceptable.

Packaged oysters are found at well-stock super markets in the seafood department, or a your local seafood market.

Find fresh oysters in the seafood section of your super market, or from a seafood market
Find fresh oysters in the seafood section of your super market, or from a seafood market

SAUTÉED VEGGIES AND MUSHROOMS ARE A GOOD ADDITION

We start off by sautéing a little onion, bell pepper, celery and garlic.

To that we add our favorite type of mushrooms, sliced. Did we mention we love shiitake? Any variety will work beautifully. We also add in the drained oysters at this point, too.

Strain before adding to the cream sauce

Next make a roux with flour and then cream.

Strain the oyster mixture and then add to the thickened cream.

Make a thick sauce with a roux and cream
Make a thick sauce with a roux and cream

The smell as the vegetables and oysters simmer is just amazing.  I wasn’t a believer as young boy, but man am I now.  And so is the Loon!

I gotta say, I think grandma (or Munga as many of the grandkids called her) would be impressed. This is a very popular dish in the Southern states of the U.S., so it’s kind of funny that Munga from Missouri had this as a staple on her Christmas table. But most of us are very happy she did!  If you like oysters, you will LOVE this dish!  

You may also like our Fried Oysters and Clams, or our BLT with Fried Oysters, too!

In the meantime, go ahead and give this Classic Oyster Casserole a try. We’re pretty certain you and your family will love it!

Oyster Casserole recipe

Oyster Casserole

This Oyster Casserole is a favorite on holiday tables all over, but especially in the Southern United States. We just love the briny flavor of the fresh oysters, combined with mushrooms, veggies, bread crumb topping....it just can't be beat!
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Course: Casserole
Cuisine: American
Keyword: Oysters, Side Dish
Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes
Servings: 4 people
Calories: 415kcal

Ingredients

  • 5 tbsp unsalted butter divided
  • 1/4 cup yellow onion chopped
  • 1/4 cup green bell pepper seeded and chopped
  • 1/4 cup celery chopped
  • 3 scallions sliced, white and green parts
  • 3 cloves garlic minced
  • 2 16 oz. containers fresh oysters, drained and rinsed well
  • 4 oz fresh mushrooms
  • 2 tbsp all-purpose flour
  • 3/4 cup whole milk can also use heavy cream for richer sauce
  • 1/4 cup Parmesan cheese grated
  • 1 tbsp fresh lemon juice
  • 1 tsp Worcestershire sauce
  • 3 dashes Tabasco or Crystals Hot Sauce
  • 3/4 tsp Kosher salt
  • 1/4 tsp freshly ground black pepper
  • 1 cup coarse fresh breadcrumbs a baguette works well..use a food processor

Instructions

  • Turn you broiler on high.
  • Melt 2 tablespoons of the butter in a skillet over medium-high heat.
  • Add onion, bell pepper, celery, scallions, and garlic and cook, stirring until vegetables soften, 5 to 7 minutes.
  • Add oysters and mushrooms and bring to a simmer, stirring often, 5 minutes. Set aside.
  • Melt 1 tablespoon of the butter in a medium saucepan over medium heat.
  • Whisk in flour, and cook, whisking constantly, until smooth, 1 minute.
  • Add milk (or cream), lemon juice, Worcestershire sauce and hot sauce, whisking constantly, until very thick and begging to bubble.
  • Add Parmesan and cook, whisking constantly, until cheese is melted. Remove from heat.
  • Using a fine-mesh sieve or colander, strain the oyster mixture, and discard the liquid.
  • Add oyster mixture to cheese sauce and stir until fully incorporated.
  • Stir in salt and pepper.
  • Spread mixture in a lightly greased (with cooking spray) 11x7-inch baking dish.
  • Melt remaining 2 tablespoons of butter, then toss bread-crumbs with melted butter, then sprinkle the breadcrumbs over oyster mixture.
  • Broil on middle rack of oven until breadcrumbs are golden brown and mixture is bubbly, about 4 minutes (keep an eye on it..don't let it burn!)
  • Serve at once and enjoy!

Nutrition

Calories: 415kcal
Tried this recipe? Take a Picture!Mention @HowToFeedALoon or tag #HowToFeedALoon!

2 Comments

  • In your directions, it talks about adding cream and Parmesan, but in the ingredients, I see neither. You have whole milk in the ingredients, is that the cream you refer to in the directions?

    • Hi Steve, thanks so much for bringing this to my attention! I sometimes use heavy cream, and sometimes use milk when I make this dish. I think milk works great, but the cream can give a richer sauce. And oops! Left out the Parmesan in the ingredients. It’s a 1/4 cup. I have updated the recipe to reflect these updates. Thanks again!! All the best, Kris

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