These loaded Oven Baked Potato Slices are the ultimate easy side dish! These golden-brown potato rounds are baked to perfection, topped with melty cheddar, crispy bacon, and fresh green onions for the perfect bite. Simple, satisfying, and packed with flavor—no frying needed!
If you’re looking for more easy, crowd-pleasing appetizers, try our Bacon Deviled Eggs. They’re creamy, smoky, and packed with flavor—just like these Irish Nachos!
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Baked potato slices, also known as Irish nachos, replace tortilla chips with crispy, thinly sliced russet potatoes. Often served in Irish pubs, they combine Russet potatoes with the rich flavors of melted cheddar, green onions, and optional toppings like bacon and jalapeños.
Perfect for game days or St. Patrick’s Day celebrations, these nachos are a hit with everyone—just like our Cold Pastrami Sandwich Recipe!
If you like this cheesy recipe, you may also love our Three Ingredient Cheese Quesadilla Recipe or our Creamy Three Cheese Scalloped Potatoes.
Why We Love This Recipe
- Crispy and Cheesy: The perfect combination of crispy potato slices and melted cheddar cheese. Just like these Loaded Twice Baked Potatoes!
- Simple Ingredients: Uses basic pantry staples and fresh ingredients.
- Quick and Easy: Ready in just under an hour, perfect for weeknight meals.
- Family-Friendly: A hit with both kids and adults, making it ideal for family dinners or parties.
Ingredients for Baked Potato Slices
- Russet potatoes: Ideal for baking and crispy nachos. If you love potatoes, try our Easy Air Fryer Potato Wedges.
- Yellow cheddar cheese: Adds rich, creamy flavor.
- White cheddar or Monterey Jack cheese: Offers a sharp, flavor and color contrast.
- Green onions: Fresh, mild onion taste and color.
- Olive oil: Helps achieve crispy potato slices.
- Garlic powder: Enhances savory taste.
- Cooked bacon: Adds a savory, crispy element.
- Jalapeños (optional): Adds a spicy kick.
- Ranch dipping sauce: Creamy, flavorful dip for nachos.
A full ingredient list with exact measurements can be found in the recipe card below.
Substitutions & Variations
- Cheddar Cheese: Substitute with mozzarella, pepper jack, or a mix of your favorite cheeses.
- Russet Potatoes: Sweet potatoes can be used for a slightly different flavor profile.
- Bacon: Use turkey bacon or omit for a vegetarian option. Black beans can be a great substitute for added protein.
How to Make Oven Baked Potato Slices
Step 1: Prepare the Potatoes
Slice 2 medium Russet potatoes into ¼-inch thick rounds using a sharp knife or mandoline.
Step 2: Prepare the Ice Bath
Soak the slices in cold water for 30 minutes to remove excess starch. This helps them crisp up in the oven instead of becoming soggy.
Step 3: Season the Potatoes
Drain and pat dry the potatoes with a towel. Toss them with 1 tablespoon olive oil, ½ teaspoon garlic powder, salt, and pepper.
Arrange them in a single layer on a parchment-lined baking sheet (no overlapping for even crisping).
📌 Pro Tip: Spray parchment paper lightly with olive oil so potatoes won't stick.
Step 4: Bake the Potatoes
Bake at 425°F (220°C) for 25-30 minutes, flipping halfway through. The edges should turn golden brown and crispy.
Remove the potatoes from the oven and top each slice with a mix of 1 cup shredded cheese and ⅓ cup crumbled bacon. Return to the oven and bake for 5-7 minutes until the cheese is fully melted. Add chopped green onions and serve immediately.
Expert Tips for Success
👩🍳Jami's Pro Tips: Want to take this recipe to the next level? Check out my expert tips below for the best flavor, texture, and meal prep hacks!
✔️ DO Soak the potatoes in cold water and pat them dry thoroughly before baking.
✔️ DO Use freshly shredded cheese instead of pre-shredded to avoid clumping.
✔️ DO Make sure to have an even distribution of cheese and toppings when layering potatoes.
✔️ DO Broil the potato slices for a couple of minutes at the end to achieve a brown and bubbly cheese topping.
Storage
Store any leftover nachos in an airtight container in the refrigerator for up to 3 days. This dish is not freezer-friendly. Reheat in a 400°F oven until warmed through, about 10-15 minutes, to maintain the crispy texture.
Recipe FAQs
Yes, you can prepare the potato slices and toppings in advance. Store the sliced potatoes in a bowl of water in the refrigerator for up to 24 hours to prevent browning. Assemble and bake the nachos just before serving to ensure they remain crispy and fresh.
Popular toppings for potato slices include crispy bacon, sour cream, green onions, jalapeños, pico de gallo, and various types of cheese like cheddar and Monterey Jack. You can also add black beans, diced tomatoes, or avocado slices for extra flavor and texture.
To achieve extra crispy potato nachos, soak the potato slices in cold water for at least 30 minutes, then drain and pat them dry thoroughly. Toss them in olive oil and seasonings before baking at a high temperature, such as 425°F (220°C), and flip them halfway through the baking time to ensure even crisping.
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📖 Recipe
Loaded Oven Baked Potato Slices
Equipment
- Baking sheet
- Large bowl
- Mandoline or sharp knife
- Oven mitts
Ingredients
- 2 medium Russet potatoes sliced into ¼-inch rounds
- 1 cup shredded cheese mix of white and yellow cheddar
- 2 green onions chopped
- 1 tablespoon olive oil
- ½ teaspoon garlic powder
- ⅓ cup cooked bacon crumbled
- 1 small jalapeño finely diced (optional)
- salt and pepper to taste
Instructions
- Preheat oven to 425°F (220°C). Slice potatoes into ¼-inch rounds.
- Soak in cold water for 30 minutes. Drain and pat dry.
- Toss with olive oil, garlic powder, salt, and pepper. Spread in a single layer on a parchment-lined baking sheet pan. Bake for 25-30 minutes, flipping halfway.
- Top each round with cheese and bacon. Add jalapeños if using.
- Bake for another 5-7 minutes until cheese melts. Top with green onions and serve immediately.
Notes
- Cheddar Cheese: Substitute with mozzarella, pepper jack, or a mix of your favorite cheeses.
- Russet Potatoes: Sweet potatoes can be used for a slightly different flavor profile.
- Bacon: Use turkey bacon or omit for a vegetarian option. Black beans can be a great substitute for added protein.
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