How to Make Roasted Seaweed Sheets (Traditional & Healthy Version)
Roasted Seaweed Sheets are a beloved snack and lunch side in Singapore, found everywhere from bustling hawker centres to trendy fusion cafes. While seaweed originates from the ocean, its crisp, savoury form has become a staple in Singaporean lunchboxes, kopitiams, and modern food stalls. Adapted to local tastes, these seaweed sheets are often enhanced with sesame oil, a touch of soy, and sometimes chilli flakes for that quintessential Singaporean kick. The result is a light, crunchy snack perfect for pairing with rice, noodles, or simply enjoyed on its own. The fusion influences are evident, as Singapore’s multicultural food scene blends Japanese technique with regional flavours. Roasted Seaweed Sheets are not only delicious, but they are also a healthy, vegetarian choice suitable for calorie-conscious eaters. Their umami-packed flavour and irresistible texture make them a favourite among office workers, students, and families seeking a nutritious midday boost. In Singapore, they’re commonly seen packed in bento-style lunch boxes or served as an accompaniment in kopitiam meals, reflecting the island’s penchant for global fusion and healthy eating trends.
Ingredients
- 10 sheets Dried seaweed sheets (nori) (available in local supermarkets)
- 2 teaspoons Sesame oil (minyak bijan)
- 1 teaspoon Low-sodium soy sauce (kecap asin)
- 1 tablespoon White sesame seeds (biji bijan)
- 1/2 teaspoon Chilli flakes (optional, for Singaporean heat)
- 1/2 teaspoon Rice vinegar (adds tang)
- as needed Olive oil spray (for even roasting)
- 1/4 teaspoon Salt (fine sea salt)
- 1/2 teaspoon Sugar (optional, for balance)
Step-by-step instructions
Step 1 · Preheat oven to 150°C (300°F)
Preheat oven to 150°C (300°F). Line a baking tray with parchment paper.
Step 2 · Lay seaweed sheets flat on the tray
Lay seaweed sheets flat on the tray. Lightly spray or brush each sheet with olive oil.
Step 3 · Mix sesame oil
Mix sesame oil, soy sauce, and rice vinegar in a small bowl. Gently brush mixture onto seaweed sheets.
Step 4 · Sprinkle sesame seeds
Sprinkle sesame seeds, salt, and optional chilli flakes or sugar over the sheets.
Step 5 · Roast in oven for 8-10 minutes
Roast in oven for 8-10 minutes, watching closely to prevent burning. Sheets should turn crisp and aromatic.
Step 6 · Remove and let cool completely
Remove and let cool completely. Seaweed will crisp further as it cools.
Step 7 · Slice sheets into bite-sized pieces or leave whole
Slice sheets into bite-sized pieces or leave whole, as preferred. Serve immediately or store for later.
Why this recipe is healthy
This dish is a healthy choice for lunch due to its low calorie content and nutrient density. Seaweed is loaded with essential minerals and vitamins, and the recipe uses heart-friendly oils. By roasting instead of frying, you reduce unhealthy fats. The addition of sesame seeds and low-sodium soy sauce keeps it suitable for those monitoring their salt intake and looking for wholesome, plant-based snacks.
A note on tradition
In Singapore, roasted seaweed sheets are popular for their convenience and adaptability, often found in kopitiam lunch sets or as snacks in hawker markets. They reflect the city’s fusion culture, blending Japanese technique with local condiments like sesame oil and chilli. Seaweed snacks are widely enjoyed by all ages, especially for lunch or as a midday treat, fitting seamlessly into Singapore’s fast-paced urban lifestyle.