Roasted Seaweed Chips

Featured in: Weekend Mint-Touched Treats

Transform dried nori sheets into irresistibly crispy chips with minimal ingredients and effort. Layer seasoned seaweed, cut into bite-sized pieces, and roast at 300°F until golden and crunchy. The combination of toasted sesame oil and fine sea salt creates a deeply savory flavor that satisfies cravings without guilt. Perfect for snacking straight from the container or crumbling over rice bowls and salads for added texture and umami depth.

Updated on Fri, 30 Jan 2026 16:49:55 GMT
Golden roasted seaweed chips glistening with sesame oil, arranged on a baking sheet after a quick oven roast.  Save
Golden roasted seaweed chips glistening with sesame oil, arranged on a baking sheet after a quick oven roast. | rusticmint.com

The rhythmic sound of the rainfall against my kitchen window contrasted perfectly with the crisp crack of seaweed chips between my teeth. I discovered this recipe during a particularly stormy week when I couldn't make it to my favorite Japanese market. With nothing but a package of nori sheets in my pantry, I experimented my way into what's become my most requested snack. The kitchen filled with that distinct oceanic aroma as the seaweed transformed in the oven.

Last summer, I brought these to a beach picnic, and everyone thought Id purchased them from some fancy health food store. My friend Emma, who swore she hated anything from the sea, ended up eating most of the batch while we watched the sunset. The wind kept threatening to blow them away, making us laugh as we chased after stray chips across the sand.

Ingredients

  • 6 sheets dried nori: Look for sushi-grade sheets that are dark green and slightly shiny, as lower quality nori can taste fishy rather than pleasantly savory.
  • Toasted sesame oil: Just a whisper of this transforms the flavor, though I once used olive oil in a pinch and it worked beautifully too.
  • Fine sea salt: The fine texture distributes more evenly than kosher salt, creating a consistent flavor throughout each chip.

Instructions

Product image
Track cooking times accurately for baking, boiling, roasting, and multitasking recipes without overcooking.
Check price on Amazon
Prep your canvas:
Preheat your oven to 300°F and line a baking sheet with parchment paper, which prevents any sticking and makes cleanup a breeze.
Create your layers:
Place your first nori sheet shiny side down, then brush gently with oil as if youre painting a delicate watercolor. The oil should glisten but not pool.
Build your sandwiches:
Layer another sheet on top, creating a sandwich that will help prevent the chips from curling too much during baking. Continue until you have three pairs.
Transform into bite-sized pieces:
Using kitchen scissors gives you more control than a knife when cutting these delicate sheets. Aim for squares or strips about two inches wide for the perfect snackable size.
Arrange with care:
Space your cut pieces on the baking sheet with a small gap between each one. Overcrowding leads to steaming rather than crisping.
Monitor the magic:
These transform quickly, going from pliable to perfectly crisp in just 6-8 minutes. Your nose will tell you when theyre nearly done, as the roasted seaweed aroma intensifies.
Exercise patience:
Let them cool completely before sampling, as they continue to crisp up as they cool. The transformation from flexible sheet to brittle chip is truly satisfying.
Product image
Track cooking times accurately for baking, boiling, roasting, and multitasking recipes without overcooking.
Check price on Amazon
Close-up of crispy, dark green roasted seaweed chips, seasoned with salt and ready to snack.  Save
Close-up of crispy, dark green roasted seaweed chips, seasoned with salt and ready to snack. | rusticmint.com
Close-up of crispy, dark green roasted seaweed chips, seasoned with salt and ready to snack.  Save
Close-up of crispy, dark green roasted seaweed chips, seasoned with salt and ready to snack. | rusticmint.com

My daughter called these green ocean cookies when she was little, insisting they were dessert despite their salty nature. Now in college, she still requests a batch whenever she visits, and we make them together while catching up on her latest adventures. Its become our ritual, this simple act of brushing oil onto paper-thin seaweed, a tangible connection when words sometimes fail.

Flavor Variations To Try

One rainy afternoon, I went a bit wild with my spice cabinet and discovered that a light dusting of smoked paprika creates an almost bacon-like flavor profile that even meat lovers appreciate. Another winning combination was a mixture of nutritional yeast and garlic powder, which adds a cheesy quality without any dairy. The key is applying spices with a very light hand, as they can easily overwhelm the delicate seaweed flavor.

Serving Suggestions

These chips found their way into my dinner party repertoire when I arranged them alongside a creamy avocado dip for contrast. The textural difference between the silky dip and shattering crisp chips created a sensory experience guests still mention years later. They also work beautifully crumbled over steamed rice with a soft-boiled egg, adding a salty crunch that elevates the simplest meal into something special.

Storage Solutions

The first time I made a large batch, I stored them in a paper bag and returned to find limp, chewy disappointments instead of crisp chips. Through trial and error, I discovered that a glass container with an airtight seal works best, keeping them crisp for up to a week if they last that long.

  • Always ensure chips are completely cool before storing to prevent condensation inside your container.
  • If chips begin to soften, five minutes in a 250°F oven will restore their crunch.
  • Keep away from any moisture sources in your kitchen, including near the stove when boiling water.
A rustic bowl of roasted seaweed chips garnished with chili flakes, served alongside a rice bowl. Save
A rustic bowl of roasted seaweed chips garnished with chili flakes, served alongside a rice bowl. | rusticmint.com
A rustic bowl of roasted seaweed chips garnished with chili flakes, served alongside a rice bowl. Save
A rustic bowl of roasted seaweed chips garnished with chili flakes, served alongside a rice bowl. | rusticmint.com

These humble seaweed chips have taught me that the most satisfying cooking often comes from the simplest ingredients transformed with just a bit of heat and care. They remind me that sometimes, the most meaningful culinary discoveries happen not from following trends, but from working creatively with whats already in our pantry.

Common Questions

How do I prevent the seaweed chips from burning?

Watch closely during roasting and remove chips after 6-8 minutes when they're dark green and crisp. Every oven varies, so start checking around the 5-minute mark. Chips continue to crisp as they cool, so slightly underdone is better than overdone.

Can I use flavored nori sheets?

Yes, flavored seaweed works well, though check labels carefully for gluten if following a gluten-free diet. Adjust added salt if your nori is pre-seasoned to avoid over-salting.

What's the best way to store roasted seaweed chips?

Keep cooled chips in an airtight container at room temperature. They maintain crispiness for up to 3 days. Avoid storing in plastic bags where moisture can accumulate and soften them.

What oils work best besides sesame oil?

Neutral oils like avocado, grapeseed, or light olive oil substitute well. Avoid heavy oils that overpower the delicate seaweed flavor. Use sparingly—a light coating is all you need.

Can I add other seasonings?

Absolutely. Sprinkle chili flakes for heat, garlic powder for depth, or furikake for authentic Asian flavor. Add seasonings before roasting so they adhere to the oil-brushed surface.

Roasted Seaweed Chips

Crispy seaweed chips roasted with sesame oil and sea salt. A simple, satisfying vegan snack ready in minutes.

Prep Duration
5 minutes
Time to Cook
8 minutes
All Steps Time
13 minutes
Created by Benjamin Thomas


Skill Level Easy

Tradition Asian-Inspired

Makes 2 Portions

Nutrition Info Plant-Based, No Dairy, No Gluten, Reduced-Carb

What You'll Need

Main Components

01 6 sheets dried nori seaweed, sushi-grade

Seasoning

01 2 teaspoons toasted sesame oil
02 1/4 teaspoon fine sea salt

Method

Step 01

Preheat and Prepare: Preheat oven to 300°F. Line a baking sheet with parchment paper.

Step 02

Layer Nori Sheets: Place one nori sheet on parchment, shiny side down. Lightly brush with sesame oil and sprinkle with sea salt. Top with another sheet, brush with oil, and sprinkle again. Repeat to form 3 sandwiched pairs.

Step 03

Cut into Pieces: Using kitchen scissors or a sharp knife, cut each nori pair into 2-inch wide strips or squares.

Step 04

Arrange for Baking: Arrange pieces in a single layer on the baking sheet without overlapping.

Step 05

Roast to Crisp: Roast for 6-8 minutes, watching closely to prevent burning. Chips should be crisp and dark green.

Step 06

Cool and Serve: Let cool completely before serving. Store leftovers in an airtight container to maintain crispiness.

Tools Needed

  • Baking sheet
  • Parchment paper
  • Pastry brush
  • Kitchen scissors or sharp knife

Allergy Notes

Look over every ingredient for allergens, and reach out to your doctor if you're unsure.
  • Contains seaweed (marine algae). Sesame oil may be an allergen—substitute with another oil if needed. Double-check labels for gluten if using flavored seaweed.

Nutrition Breakdown (each portion)

Provided as a general guide by Rustic Mint—always speak with your doctor for dietary help.
  • Energy (Kcal): 35
  • Lipids: 2.5 g
  • Carbohydrates: 2 g
  • Proteins: 1 g