This Cheesy Potato Casserole is made with fresh potatoes and a creamy, tangy homemade cheese sauce. Perfect for a cozy family dinner that doesn’t require much prep. Serve it by itself or round it out with you favorite meat or plant-based protein for a full meal.
Equipment
- Large pot
- 9" x 9" baking dish
- Medium skillet
- 1.5 lbs Little Potatoes, cubed
- 1/4 cup Unsalted butter
- 1/2 medium medium onion, finely chopped
- 1 tsp garlic, minced
- 1 tsp Italian seasoning
- 1/2 tsp salt
- 1/4 tsp black pepper
- 2 Tbsp all-purpose flour
- 1 1/2 cups milk
- 1/2 cup sour cream
- 3 cups cheddar cheese, shredded and divided
Personalize This Recipe.
Want to put your own spin on this recipe? It's easy — here's how it works: Pick an AI tool from the options below (not sure which? any of them work great!) A prompt is automatically loaded with this recipe's details — no copying or setup needed Just hit send, then chat back and forth to make it your own — swap ingredients, simplify steps, make it kid-friendly, or adjust for dietary needs Using Gemini? Your prompt is automatically copied — just paste it into the chat once the window opens.
Instructions
-
Step 1
Bring a large pot of salted water to a boil. Add potatoes and cook 5 to 6 minutes, until almost tender.
-
Step 2
Drain potatoes and place in a lightly greased 9” × 9" baking dish. Preheat the oven to 375 °F.
-
Step 3
In a medium skillet, melt butter over medium heat and cook onion until softened and beginning to brown.
-
Step 4
Stir in garlic, Italian seasoning, salt and pepper and cook for one minute.
-
Step 5
Add flour and whisk until combined.
-
Step 6
Add milk and cook over medium heat, stirring frequently, until thickened—about five minutes.
-
Step 7
Stir in sour cream and two cups of cheddar cheese.
-
Step 8
Pour sauce over potatoes in baking dish, stirring to combine. Sprinkle with remaining one cup cheese and bake until bubbly and golden, about 20 minutes.
-
Step 9
Remove from the oven and allow to sit for 5 to 10 minutes before serving.
