This easy, cheesy potato casserole is loaded with all the savory goodies! Make this potato casserole with sour cream as a side dish any night of the week. Top with baked potato toppings of your choice!
Why This Recipe Works
Potatoes are one of those ridiculously simple ingredients that can magically (and mysteriously) be transformed into the most creamy, comforting dishes. And they are so versatile, am I right?! It’s such an unassuming food at first glance.
Some of my favorite side dishes of all time stem from the delicious potato and this casserole is included in that list of faves. This dish is like enjoying a loaded baked potato. It is a great side for holiday or week night meals. Enjoy! This is a keeper!
Recipe Ingredients
Baby red potatoes – I love this potato for this casserole. However, any variety potato can be used from russet, gold and yukon; any potatoes you have on hand.
Bacon – In this recipe, cook up a nice crispy bacon as a topping to give it a good crunch.
Sour cream – This is a great way to help make your potatoes creamy and mix well with any toppings you add.
Cheddar cheese – Cheese melts beautifully on this casserole and if you only pick one topping, let it be this one.
Garlic – This is a good flavor booster but if you’re not a fan of garlic, this can be reduced or omitted.
Green onions – While onions are cooked into this dish, adding them as a topping is easy to do and is a mellow flavor to add as a finishing touch.
How To Make Potato Casserole with Sour Cream
Step 1
Preheat oven to 375 degrees F. Coat a 9×13 baking dish with cooking spray and set aside.
Boil potatoes in a large saucepan for 20 minutes, or until a fork can be easily inserted into the centers. Drain and return to saucepan.
Step 2
Meanwhile, heat the olive oil in a skillet over medium heat. Add onion, garlic, salt and pepper, and cook for 3 minutes, or until the onion is soft and fragrant.
Add the onion mixture to the potatoes, along with milk, sour cream and sprinkle cheese on top (1 1/2 cups only!). Stir until combined.
Step 3
Pour into the prepared baking dish and spread in an even layer and top with the remaining 1/2 cup cheese. Sprinkle bacon and green onions over the top.
Bake in the preheated oven for 20 minutes.
Recipe Notes
- Use 3 large potatoes, 5 medium potatoes or 10-12 baby potatoes for this casserole.
- Go as crazy with the toppings as you’d like. Anything that tastes great on a baked potato (such as chives) will also taste amazing in this potato casserole!
- After baking, consider adding extra toppings such as extra shredded cheddar cheese and sour cream.
How Long Does Sour Cream Last
How long does sour cream last? If you have a container staring at you from inside your refrigerator and you don’t know whether to toss or eat.. read on!
FAQ About Potatoes
Potatoes are rich in vitamins, minerals and antioxidants and have been linked to health benefits such as improved blood sugar control and reduced heart disease risk.
Since potatoes are a vegetable and not a grain, they are gluten free.
Yes, potatoes have a long shelf life, but they do go bad. If you notice a strong musty or moldy odor, it’s time to throw them out. Also, if they are soft or mushy, you should toss them too.
If you place your potatoes in a cool, dark place, they are good for about 3-5 weeks and in the fridge for about 3-4 months.
More Comfort Food Side Dishes
- This is my Mom’s Mashed Potatoes recipe. It is the BEST and goes great with any main dish, any time of year. You’ll never need another mashed potato recipe again!
- Instant Pot Mashed Potatoes are creamy, smooth, delicious and easy to prepare. No boiling or saucepan/stovetop cleaning required with this side dish. The Instant Pot gets this easy mashed potato recipe done in 30 minutes!
- This Classic Sweet Potato Casserole is great on your Thanksgiving table and also a perfect side dish that can be enjoyed any time of the year. It is filled with a delicious sweet potato mixture and topped with crunchy pecans and marshmallows.
- Tater Tot Hotdish is the perfect comfort food. Whether it’s the main dish or a side, everyone at the table will be satisfied. This Midwestern staple is easy to make and fills everyone up. Great for your Thanksgiving table or any time of the year!
- If you really love to have low carb options available, try this Cauliflower Stuffing recipe! It’s an easy, healthy side dish for your next holiday meal! Cauliflower stuffing is a low carb, gluten free recipe that does not lack in flavor. Add this delicious dish to your next Thanksgiving spread!
- Creamy Hash Brown Potatoes uses just 4 ingredients and you end up with a rich dish to eat and serve. Frozen hash browns combined with just a few other yummy ingredients takes you to hash brown casserole heaven! Enjoy a creamy, buttery casserole as the perfect comforting side dish for any meal!
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Potato Casserole with Sour Cream Recipe
Ingredients
- 12 baby red potatoes any variety potato, peeled and cut into 1/2-inch cubes
- 3 tbsp olive oil
- 1 yellow onion chopped
- 3 cloves garlic minced
- 1 tsp salt
- 1 tsp pepper
- 1/2 cup milk
- 8 oz sour cream
- 2 cups cheddar cheese shredded, divided
- 1/2 cup bacon cooked and chopped
- 1 bunch green onions thinly sliced
Instructions
- Preheat oven to 375 degrees F. Coat a 9×13 baking dish with cooking spray and set aside.
- Boil potatoes in a large saucepan for 20 minutes, or until a fork can be easily inserted into the centers. Drain and return to saucepan. Meanwhile, heat the olive oil in a skillet over medium heat. Add onion, garlic, salt and pepper, and cook for 3 minutes, or until the onion is soft and fragrant.
- Add the onion mixture to the potatoes, along with milk, sour cream and 1 1/2 cups cheese. Stir until combined.
- Pour into the prepared baking dish and spread in an even layer and top with the remaining 1/2 cup cheese. Sprinkle bacon and green onions over the top and bake in the preheated oven for 20 minutes.
Notes
- Use any variety of potatoes for this recipe. Russet, gold, yukon and red all work great.
- Use 3 large potatoes, 5 medium potatoes or 10-12 baby potatoes for this casserole.
- Go as crazy with the toppings as you’d like. Anything that tastes great on a baked potato (such as chives) will also taste amazing in this potato casserole!
- After baking, consider adding extra toppings such as extra shredded cheddar cheese and sour cream.
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