Cheesy Garlic Potato Casserole

Highlighted under: Easy Comfort Recipes

I absolutely love making Cheesy Garlic Potato Casserole, especially when I want to impress my family at dinner. The combination of creamy potatoes, rich cheese, and aromatic garlic always gets rave reviews! It’s a dish that warms hearts and homes, perfect for gatherings or a cozy night in. Plus, it comes together so easily with basic ingredients—I often have everything on hand! No one can resist the cheesy, bubbling goodness as it comes out of the oven, and that’s why I keep coming back to this recipe.

Anna

Created by

Anna

Last updated on 2026-02-07T18:06:28.930Z

When I first tried a potato casserole at a friend's gathering, I was hooked! After experimenting with various toppings and flavors, I found that garlic and cheese were the ultimate combination. I love how the garlic infuses each potato slice, while the cheese creates that irresistible crust on top. It's a comfort food triumph that I’m excited to share with others.

One tip that I discovered is to parboil the potatoes before assembling the casserole. This step cuts down on baking time and ensures that potatoes are perfectly tender all the way through without overcooking the cheese. Using a mix of sharp cheddar and Gruyère elevates the dish, making it a guaranteed crowd-pleaser!

Why You'll Love This Recipe

  • Rich, creamy texture that satisfies every craving
  • Aromatic garlic paired with gooey melted cheese
  • Perfectly comforting for family gatherings and celebrations

The Importance of Technique

One crucial technique in preparing your Cheesy Garlic Potato Casserole is the method of parboiling the potatoes. By simmering them for only about 5 minutes before layering, you partially cook them while retaining some firmness. This step is essential as it helps achieve a creamy texture during baking without ending up with mushy potatoes. You want them tender but not fully cooked, giving them the perfect bite after baking.

Choosing the right cheese blend makes a significant difference in flavor and creaminess. Sharp cheddar provides a bold taste that contrasts beautifully with the smooth, nutty notes from Gruyère. If Gruyère is unavailable or you're seeking a lighter option, mozzarella or Monterey Jack are excellent substitutes. They melt well while still contributing a lovely stretch and creaminess to the dish.

Serving and Storage Tips

After baking, let the casserole rest for about 10-15 minutes before serving. This resting time allows the layers to settle, making it easier to slice and serve without losing the structure. The garnishing with green onions not only adds a pop of color but also a refreshing crunch that complements the creaminess of the dish—a tip I always follow to elevate presentation and flavor!

If you find yourself with leftovers, you can store the casserole in an airtight container in the refrigerator for up to 3 days. Reheating is simple: pop it back in the oven at 350°F (175°C) for about 15-20 minutes until warmed through. You may also microwave individual portions—but be careful not to overheat, as that can alter the creamy texture significantly.

Ingredients

For the Casserole

  • 4 large potatoes, peeled and thinly sliced
  • 1 cup sharp cheddar cheese, shredded
  • 1 cup Gruyère cheese, shredded
  • 1 cup heavy cream
  • 4 cloves of garlic, minced
  • 3 tablespoons butter, melted
  • Salt and pepper to taste
  • 1/2 cup green onions, chopped (optional for garnish)

Feel free to mix and match cheeses based on your preference!

Instructions

Prepare the Potatoes

Preheat your oven to 375°F (190°C). Peel and thinly slice the potatoes. Rinse them under cold water to remove excess starch for a better texture.

Parboil the Potatoes

In a large pot, add the sliced potatoes and cover them with water. Bring to a boil, then reduce heat and let simmer for about 5 minutes. Drain and set aside.

Combine the Mixture

In a mixing bowl, combine the heavy cream, melted butter, minced garlic, salt, and pepper. Mix well, then add half of the shredded cheeses. Stir until combined.

Layer the Casserole

In a greased casserole dish, layer half of the parboiled potatoes, followed by half of the cream mixture. Repeat with the remaining potatoes and cream mixture. Top with the remaining cheese.

Bake the Casserole

Cover with foil and bake for 30 minutes. Remove the foil and bake for an additional 20 minutes, or until the cheese is bubbly and golden brown.

Let the casserole sit for a few minutes before serving to set and enhance the flavors.

Pro Tips

  • For even more flavor, you can add cooked bacon bits or fresh herbs like thyme or rosemary to the layers.

Ingredient Roles and Substitutions

The key ingredient in this casserole, heavy cream, plays a vital role in creating that luscious, creamy sauce that binds the potatoes and cheese. If you're looking for a lighter version, you can substitute half-and-half for a similar result, though it may not be as rich. For a dairy-free option, try coconut cream, which will add a unique flavor that surprisingly complements the garlic and potatoes.

Garlic is another star of this dish—not only does it provide a wonderful aroma, but it also imparts a savory depth to the overall flavor. If fresh garlic isn’t available, you can use garlic powder in a pinch; just make sure to adjust the quantity to about 1/2 teaspoon to avoid overwhelming the other flavors.

Variations on the Classic Recipe

For a twist on the classic Cheesy Garlic Potato Casserole, consider adding sautéed vegetables like spinach, mushrooms, or bell peppers to the layers. These add not just additional nutrients but also a delightful variation in texture. If you like a bit of heat, sprinkle in some crushed red pepper flakes with the garlic mixture for an unexpected kick.

If you want to transform this casserole into a full meal, incorporate cooked protein like shredded chicken or crumbled sausage between the layers. This turns the side dish into a hearty main course, ideal for feeding a crowd. As always, ensure that protein is cooked through before layering for the best results.

Questions About Recipes

→ Can I prepare this casserole in advance?

Yes! You can assemble the casserole a day ahead, cover it, and refrigerate until you're ready to bake.

→ What potatoes work best for this recipe?

Russet or Yukon Gold potatoes are great choices as they become creamy when cooked.

→ Can I freeze leftovers?

Absolutely! Just make sure to let it cool completely before transferring it to an airtight container. It can be frozen for up to three months.

→ Is it possible to make this dish vegetarian?

Yes! This recipe is already vegetarian-friendly, but you can make it vegan using plant-based cream and cheese substitutes.

Secondary image

Cheesy Garlic Potato Casserole

I absolutely love making Cheesy Garlic Potato Casserole, especially when I want to impress my family at dinner. The combination of creamy potatoes, rich cheese, and aromatic garlic always gets rave reviews! It’s a dish that warms hearts and homes, perfect for gatherings or a cozy night in. Plus, it comes together so easily with basic ingredients—I often have everything on hand! No one can resist the cheesy, bubbling goodness as it comes out of the oven, and that’s why I keep coming back to this recipe.

Prep Time20 minutes
Cooking Duration50 minutes
Overall Time70 minutes

Created by: Anna

Recipe Type: Easy Comfort Recipes

Skill Level: easy

Final Quantity: 6 servings

What You'll Need

For the Casserole

  1. 4 large potatoes, peeled and thinly sliced
  2. 1 cup sharp cheddar cheese, shredded
  3. 1 cup Gruyère cheese, shredded
  4. 1 cup heavy cream
  5. 4 cloves of garlic, minced
  6. 3 tablespoons butter, melted
  7. Salt and pepper to taste
  8. 1/2 cup green onions, chopped (optional for garnish)

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). Peel and thinly slice the potatoes. Rinse them under cold water to remove excess starch for a better texture.

Step 02

In a large pot, add the sliced potatoes and cover them with water. Bring to a boil, then reduce heat and let simmer for about 5 minutes. Drain and set aside.

Step 03

In a mixing bowl, combine the heavy cream, melted butter, minced garlic, salt, and pepper. Mix well, then add half of the shredded cheeses. Stir until combined.

Step 04

In a greased casserole dish, layer half of the parboiled potatoes, followed by half of the cream mixture. Repeat with the remaining potatoes and cream mixture. Top with the remaining cheese.

Step 05

Cover with foil and bake for 30 minutes. Remove the foil and bake for an additional 20 minutes, or until the cheese is bubbly and golden brown.

Extra Tips

  1. For even more flavor, you can add cooked bacon bits or fresh herbs like thyme or rosemary to the layers.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g