Smashed Potatoes with Sage Pesto

If you’re looking for a side dish that’s crispy on the outside, fluffy on the inside, and packed with fresh herb flavor, these Smashed Potatoes with Sage Pesto are about to steal the spotlight. Regular roasted potatoes are great—but smashing them creates those irresistible crispy edges everyone fights over.

Smashed Potatoes with Sage Pesto combine golden, crispy baby potatoes with a bold, earthy sage pesto that adds richness and depth. The contrast between crunchy potatoes and vibrant herb sauce makes every bite exciting. I’ve served these for holiday dinners, weeknight meals, and even casual entertaining—they always disappear fast.

In this post, you’ll learn how to get perfectly crispy smashed potatoes, make a balanced sage pesto, and customize the flavors to suit your table.

Let’s crisp things up.

Why You’ll Love This Recipe

• Ultra Crispy Edges – The best part of any potato.

• Bold Herb Flavor – Fresh sage adds warmth and depth.

• Simple Ingredients – Easy pantry staples.

• Perfect for Entertaining – Elegant but easy.

• Versatile Side Dish – Pairs with almost anything.

Ingredients & Prep

Smashed Potatoes with Sage Pesto use simple ingredients that create big flavor.

Main Ingredients Prep

• 1 ½ pounds baby potatoes (Yukon Gold or red)

• 2 tablespoons olive oil

• ½ teaspoon salt

• ¼ teaspoon black pepper

Prep Tips:

• Choose small, evenly sized potatoes.

• Do not peel—skins help crisp.

• Boil until fork-tender but not falling apart.

Seasonings, Sauces, or Flavor Base

For the sage pesto:

• 1 cup fresh sage leaves (lightly packed)

• ¼ cup fresh parsley (for balance)

• ¼ cup grated Parmesan (or nutritional yeast for dairy-free)

• ¼ cup toasted walnuts or pine nuts

• 1 clove garlic

• ⅓ cup olive oil

• 1 tablespoon lemon juice

• Pinch of salt

Sage is strong, so parsley helps keep the flavor balanced.

Pantry Staples

• Large pot

• Baking sheet

• Parchment paper

• Food processor

• Potato masher or flat-bottom glass

Step-by-Step Cooking Instructions

Pre-Cooking Prep

1. Preheat oven to 425°F.

2. Line baking sheet with parchment paper.

3. Add potatoes to a large pot of salted water.

4. Bring to a boil and cook 15–20 minutes until fork-tender.

5. Drain and let steam dry for 5 minutes.

Smashing the Potatoes

1. Arrange boiled potatoes on baking sheet.

2. Use potato masher or glass to gently press each potato flat.

3. Drizzle with olive oil.

4. Sprinkle with salt and pepper.

Make sure potatoes have space between them for crisping.

Roasting Method (Times & Temps)

1. Roast for 25–30 minutes.

2. Flip halfway through if desired.

3. Roast until edges are golden and crispy.

Potatoes should be deeply golden and slightly crisp on the bottom.

Making the Sage Pesto

1. Add sage, parsley, nuts, garlic, and Parmesan to food processor.

2. Pulse until finely chopped.

3. Slowly drizzle in olive oil while blending.

4. Add lemon juice and salt.

5. Blend until smooth but slightly textured.

Taste and adjust seasoning.

Doneness or Texture Check

Smashed Potatoes are ready when:

• Edges are crispy and browned.

• Centers are fluffy.

• Bottoms release easily from parchment.

Sage pesto should be:

• Bright green.

• Smooth but slightly textured.

• Balanced between earthy and fresh.

Assembling the Dish

1. Transfer crispy potatoes to serving platter.

2. Spoon sage pesto over top or serve on the side.

3. Garnish with extra Parmesan and fresh sage leaves.

Serve warm.

Pro Tips for Perfect Results

Common Mistakes to Avoid

• Overcrowding pan – Prevents crisping.

• Under-boiling potatoes – Hard to smash.

• Using too much sage – Can overpower flavor.

• Skipping steam-dry step – Reduces crispiness.

Recommended Tools

• Baking sheet with parchment

• Potato masher

• Food processor

• Silicone spatula

Storage & Reheating Tips

Store Smashed Potatoes with Sage Pesto separately:

• Potatoes: Up to 4 days refrigerated.

• Pesto: Up to 5 days refrigerated.

To reheat:

• Oven at 375°F for 10–15 minutes.

• Air fryer for 5–7 minutes to restore crispiness.

Not ideal for freezing once assembled.

Flavor Variations

These smashed potatoes are easy to customize.

Spicy Version

Add:

• Pinch of red pepper flakes to pesto.

• Sprinkle of cayenne before roasting.

• Drizzle of chili oil before serving.

Healthy / Special Diet Option

Dairy-Free Option:

• Replace Parmesan with nutritional yeast.

Nut-Free Option:

• Use sunflower seeds instead of walnuts.

Vegan:

• Use nutritional yeast instead of cheese.

Global Flavor Twist

• Italian Style: Add basil to pesto.

• Garlic Herb Version: Increase garlic and add thyme.

• Lemon Zest Twist: Add fresh lemon zest for brightness.

Each variation keeps the crispy potato base but shifts the herb profile.

Serving Suggestions

Smashed Potatoes with Sage Pesto pair beautifully with:

• Roasted chicken

• Grilled steak

• Baked salmon

• Holiday mains

• Roasted vegetables

They’re perfect for:

• Thanksgiving

• Christmas dinner

• Sunday family meals

• Dinner parties

Serve on a wide platter for rustic presentation.

FAQs

Can I make this ahead of time?

Yes! Boil and smash potatoes earlier in the day. Roast just before serving for best crispiness. Pesto can be made up to 2 days ahead.

How do I fix common mistakes?

Not crispy enough:
Roast longer or increase oven temperature slightly.

Pesto too thick:
Add olive oil 1 teaspoon at a time.

Too earthy:
Add extra parsley or lemon juice.

Conclusion

Smashed Potatoes with Sage Pesto are crispy, flavorful, and beautifully balanced. The golden edges and fluffy centers pair perfectly with the bold, earthy pesto for a side dish that feels both comforting and elevated.

Whether you’re serving a holiday feast or a simple weeknight dinner, this recipe delivers big flavor with simple ingredients. Save it—you’ll want to make these again and again.