o’brien potato casserole recipe

Written BySheba G Updated On
o'brien potato casserole recipe
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The Best o’brien potato casserole recipe

I’m so excited to share with you my family’s favorite O’Brien potato casserole recipe. This dish has been a staple in our household for years, and it’s perfect for any occasion. Whether you’re looking for a comforting side dish or a satisfying main course, this recipe delivers.

I remember my mom making it for family gatherings and special events, and now I make it for my kids and husband. The best part is that it’s incredibly easy to make and requires minimal ingredients. The combination of crispy potatoes, savory onions, and melted cheese is absolute perfection.

My kids love helping me assemble the casserole, and they always ask for seconds (or even thirds!) The best part is that this recipe is also relatively healthy, as it uses wholesome ingredients like potatoes, onions, and cheese. I like to serve it with a side of steamed vegetables or a simple green salad to round out the meal.

My family loves this recipe because it’s easy to customize to our tastes – we like to add some diced ham or bacon bits for extra flavor. And the best part? It’s ready in under an hour!

I’ve made this recipe countless times, but I still get excited every time I take it out of the oven. There’s something about the combination of textures and flavors that just feels like home. I’ve tried making this recipe with different types of potatoes – Russet works best for me – but feel free to experiment with other varieties if you prefer a different texture.

One thing that’s remained consistent is the love we all have for this dish. It’s a true comfort food classic that never fails to satisfy us.

O'Brien Potato Casserole Recipe

O’Brien Potato Casserole Recipe

4.8 from 1508 votes

O’Brien Potato Casserole is a hearty and comforting dish featuring potatoes, bell peppers, and onions, baked with a creamy sauce and topped with cheese. It is a perfect side dish for any meal, offering a blend of flavors and textures that everyone will enjoy.

Prep Time15 mins
Cook Time30 mins
Resting Time0 mins
Total Time45 mins
Servings: 4Cuisine: InternationalCalories: 350 kcal

🥘Ingredients

For the Potato Mixture

2 lbs potatoes, diced
1 green bell pepper, diced
1 yellow onion, diced
2 cloves garlic, minced

For the Sauce

1 cup heavy cream
1 cup milk
2 tbsp butter
2 tbsp all-purpose flour
1 tsp salt
1/2 tsp black pepper
1 tsp paprika

For the Topping

1 cup shredded cheddar cheese
1/4 cup grated Parmesan cheese
2 tbsp breadcrumbs

👨‍🍳Directions

1Preheat your oven to 375°F.
2Grease a 9×13-inch baking dish and set it aside.
3In a large mixing bowl, combine diced potatoes, diced green bell pepper, diced yellow onion, and minced garlic.
4Toss to mix well.
Set aside.
5In a separate saucepan, melt the butter over medium heat.
6Add the flour and whisk continuously for 1-2 minutes until the mixture is smooth and bubbly.
7Gradually pour in the heavy cream and milk, whisking continuously to prevent lumps from forming.
8Cook the sauce over medium heat until it thickens slightly, about 3-5 minutes.
9Stir in salt, black pepper, and paprika.
10Pour the sauce over the potato mixture and stir until the potatoes are evenly coated.
11Transfer the mixture to the prepared baking dish and spread it out evenly.
12Sprinkle the shredded cheddar cheese, grated Parmesan cheese, and breadcrumbs evenly over the top of the casserole.
13Bake in the preheated oven for 25-30 minutes, or until the potatoes are tender and the top is golden brown and bubbly.
14Remove the casserole from the oven and let it rest for 5 minutes before serving.
15This allows the casserole to set slightly and makes it easier to serve.

🔧Equipment

Mixing bowl
Baking dish
Oven

📊Nutrition Facts (per serving)

🔥Calories: 350 kcal🧈Total Fat: 20g💛Saturated Fat: 12g❤️Cholesterol: 65mg🧂Sodium: 800mg🌾Total Carbs: 35g🥦Dietary Fiber: 3g🍬Sugars: 4g🥩Protein: 10g

📝Notes

Tips: You can add cooked bacon or ham to the casserole for extra flavor and protein. For a spicier version, add diced jalapeño peppers to the potato mixture.

Watch Video Of How O’Brien Potato Casserole Recipe Works

This O’Brien potato casserole recipe is always a good idea for any occasion – whether you’re hosting a party or just need a comforting meal after a long day.

One of my favorite things about this recipe is its versatility: you can serve it as a main course or as a side dish, depending on your preference.

When storing leftover casserole in the fridge, be sure to let it cool completely before covering it tightly with plastic wrap or aluminum foil – then reheat in the oven at 350°F (175°C) until hot and bubbly again.

❓ Frequently Asked Questions About O’Brien Potato Casserole

What type of potatoes are best for O’Brien potato casserole?

I personally prefer using Russet potatoes for their high starch content, which makes them fluffy on the inside and crispy on the outside. However, you can use any variety of potatoes you like – just be aware that they might not yield the same texture.

Can I make O’Brien potato casserole ahead of time?

Yes, you can assemble the casserole up to 24 hours in advance – just cover it with plastic wrap or aluminum foil and refrigerate until ready to bake.

How do I prevent the top layer from burning?

To avoid burning the top layer, make sure your oven temperature is accurate and keep an eye on the casserole while it bakes – you can always cover it with foil if necessary.

Can I substitute other types of cheese?

Feel free to experiment with other types of cheese – mozzarella or cheddar work well as substitutes.

What if I don’t have any canned condensed cream of mushroom soup?

You can omit this ingredient entirely or substitute it with homemade cream sauce made from heavy cream, butter, and flour.

Hi, I’m Sheba G, the creator behind **Sheba’s Recipe**, where I share my favorite homemade dishes and easy recipes anyone can try. I love experimenting in the kitchen and helping others enjoy simple, flavorful meals with confidence.

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