Crispy Roasted Seaweed Chips

Featured in: Snack & Starter Ideas

Transform dried nori sheets into addictively crispy seaweed chips using a simple roasting method. Brush thin layers with toasted sesame oil, sprinkle sea salt, and roast at 300°F for 6-8 minutes until dark green and crispy. The combination of umami-rich nori, nutty sesame oil, and mineral salt creates a satisfying snack that's naturally vegan and gluten-free.

Customize with chili flakes, garlic powder, or furikake for deeper flavors. These chips store beautifully in airtight containers and work equally well as standalone snacks or crumbled over rice and salads.

Updated on Sat, 17 Jan 2026 16:02:00 GMT
Golden-brown roasted seaweed chips with a light crunch, perfect for a savory vegan snack.  Save to Pinterest
Golden-brown roasted seaweed chips with a light crunch, perfect for a savory vegan snack. | metrochop.com

Transform ordinary dried seaweed into an extraordinary snack with these crispy, golden-brown roasted seaweed chips. This simple yet elegant recipe brings the umami-rich flavors of the ocean directly to your kitchen, creating a light and satisfying treat that's both nutritious and delicious. With just a few ingredients and minimal preparation time, you'll have homemade chips that rival any store-bought variety.

Golden-brown roasted seaweed chips with a light crunch, perfect for a savory vegan snack.  Save to Pinterest
Golden-brown roasted seaweed chips with a light crunch, perfect for a savory vegan snack. | metrochop.com

The beauty of this recipe lies in its simplicity. By layering nori sheets with aromatic sesame oil and fine sea salt, then gently roasting them to perfection, you create chips with an irresistible crunch and deep, savory flavor. The low-temperature roasting preserves the seaweed's natural nutrients while developing that coveted crispy texture that makes these chips so addictive.

Ingredients

  • 6 sheets of dried nori (seaweed), sushi-grade
  • 2 teaspoons toasted sesame oil (or neutral oil)
  • 1/4 teaspoon fine sea salt

Instructions

Step 1
Preheat oven to 300°F (150°C). Line a baking sheet with parchment paper.
Step 2
Place one nori sheet on the parchment, shiny side down.
Step 3
Lightly brush the top of the sheet with sesame oil, then sprinkle with a pinch of sea salt.
Step 4
Place another nori sheet on top to make a double layer, brush with oil, and sprinkle again with salt. Repeat until all sheets are used, forming 3 sandwiched pairs.
Step 5
Using kitchen scissors or a sharp knife, cut each pair into 2-inch wide strips or squares.
Step 6
Arrange the pieces in a single layer on the baking sheet, taking care not to overlap.
Step 7
Roast for 6–8 minutes, watching closely to prevent burning. Chips should be crisp and dark green.
Step 8
Let cool completely before serving. Store leftovers in an airtight container to maintain crispiness.

Zusatztipps für die Zubereitung

For the crispiest results, ensure your nori sheets are completely dry before starting. If they feel slightly soft or humid, place them in a dry oven at the lowest temperature for 1-2 minutes. Watch the chips carefully during the final minutes of roasting, as they can go from perfectly crisp to burnt very quickly. The ideal color is a deep, dark green with no brown spots.

Varianten und Anpassungen

Customize your seaweed chips with different seasonings to suit your taste preferences. Try sprinkling chili flakes for heat, garlic powder for savory depth, or furikake seasoning for an authentic Japanese touch. For those with sesame allergies, substitute olive oil or avocado oil. You can also experiment with different cutting patterns - try triangles or long strips for varied presentation.

Serviervorschläge

Enjoy these roasted seaweed chips as a standalone snack, or incorporate them into your meals for added texture and flavor. Crumble them over steamed rice, salads, or ramen for an instant umami boost. They also make an excellent accompaniment to sushi or other Japanese dishes. For entertaining, serve alongside other healthy snacks like edamame or wasabi peas.

Savory roasted seaweed chips on a baking sheet, crisp and seasoned for snacking.  Save to Pinterest
Savory roasted seaweed chips on a baking sheet, crisp and seasoned for snacking. | metrochop.com

These homemade roasted seaweed chips prove that the most satisfying snacks often come from the simplest ingredients. With their rich ocean flavor, satisfying crunch, and impressive nutritional profile, they're a guilt-free indulgence that nourishes your body while satisfying your cravings. Once you master this basic technique, you'll never need to buy expensive packaged seaweed snacks again.

Recipe FAQ

Why does my seaweed become chewy instead of crispy?

Moisture is the culprit. Ensure nori sheets are completely dry before roasting, and watch carefully during cooking—even a minute or two over 8 minutes can affect crispiness. Cool completely before storing in an airtight container to preserve that satisfying crunch.

Can I use other types of seaweed?

Yes, though results vary. Sushi-grade nori works best for consistent crispiness. Some specialty seaweed varieties may require adjusted roasting times. Experiment with small batches to find your preferred texture and flavor profile.

What oil alternatives work besides sesame?

Neutral oils like avocado, grapeseed, or light olive oil work well. Each imparts slightly different flavors—olive oil adds earthiness while avocado oil keeps the taste delicate. Brush lightly regardless of choice to prevent sogginess.

How long do homemade seaweed chips stay fresh?

Stored in an airtight container at room temperature, they maintain crispiness for 3-5 days. Exposure to humidity causes them to soften, so keep them sealed and avoid refrigeration, which can introduce condensation.

Can I make these in a toaster oven?

Absolutely. Toaster ovens work well for this low-temperature roasting. Place sheets directly on a toaster oven tray and monitor closely, as heating elements vary. Start checking at 5 minutes to prevent burning in smaller cooking spaces.

What flavor seasonings pair best with seaweed?

Asian-inspired seasonings shine: furikake, wasabi powder, chili flakes, garlic powder, or dried seaweed seasoning blends. Try dusting with these before roasting for flavors that meld during cooking, or sprinkle after cooling for brighter seasoning impact.

Crispy Roasted Seaweed Chips

Crispy and savory seaweed chips made with nori, sesame oil, and salt. Light, flavorful, and ready in just 13 minutes.

Prep Time
5 minutes
Bake/Cook Time
8 minutes
Time Needed
13 minutes
Recipe By Elizabeth Perry


Skill Level Easy

Cuisine Asian-Inspired

Makes 2 Portions

Dietary Needs Plant-Based, No Dairy, No Gluten, Reduced-Carb

What You'll Need

Main

01 6 sheets of dried nori (seaweed), sushi-grade

Seasoning

01 2 teaspoons toasted sesame oil (or neutral oil)
02 1/4 teaspoon fine sea salt

How-To Steps

Step 01

Prepare Oven: Preheat oven to 300°F (150°C). Line a baking sheet with parchment paper.

Step 02

Start Layering: Place one nori sheet on the parchment, shiny side down.

Step 03

Season First Layer: Lightly brush the top of the sheet with sesame oil, then sprinkle with a pinch of sea salt.

Step 04

Create Double Layers: Place another nori sheet on top to make a double layer, brush with oil, and sprinkle again with salt. Repeat until all sheets are used, forming 3 sandwiched pairs.

Step 05

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

Step 06

Arrange for Baking: Arrange the pieces in a single layer on the baking sheet, taking care not to overlap.

Step 07

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

Step 08

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

Tools You'll Need

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

Allergy Notes

Always check each ingredient for allergens and reach out to a healthcare provider if you're uncertain.
  • 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 Details (per portion)

These details are for informational purposes and aren't a substitute for professional medical guidance.
  • Energy: 35
  • Fats: 2.5 g
  • Carbohydrates: 2 g
  • Proteins: 1 g