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Vegan Singapore Black Pepper Sauce Spaghetti Recipe

Published: Oct 5, 2025 by Diane · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.4 from 86 reviews

If you have been craving something vibrant, bold, and a little bit unexpected, you are going to fall head over heels for this Vegan Singapore Black Pepper Sauce Spaghetti Recipe. Imagine tender spaghetti noodles enveloped in a spicy, aromatic black pepper sauce, combined with crispy battered cauliflower that adds an irresistible texture. This dish is a fantastic fusion of Asian flavors and Western comfort food, perfect for anyone who wants to enjoy a plant-based meal without sacrificing flavor or excitement. Once you try it, this recipe will surely earn a spot in your weekly dinner rotation.

Ingredients You'll Need

In the image, on a white marbled surface, two small white bowls are placed near the top; the left bowl contains a dark, glossy liquid while the right bowl holds a coarse mix of black and white sesame seeds. Below and around the bowls are small piles of chopped light yellow garlic and finely chopped purple-red onions, with a few small red chili peppers and fresh green curry leaves arranged neatly on the right side. Additionally, a spoon with a thick dark paste rests on the right edge of the surface. The ingredients are organized clearly with a clean, bright background. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this Vegan Singapore Black Pepper Sauce Spaghetti Recipe lies in its straightforward yet thoughtfully selected ingredients. Each one plays a crucial role in building layers of flavor, creating a dish that is perfectly balanced and exciting to the palate.

  • Cauliflower florets: These provide a hearty, crispy bite once battered and fried, mimicking a comfort-food texture.
  • Spaghetti: A canvas that carries the robust, peppery sauce beautifully with its tender strands.
  • Corn starch: Essential for creating a thin, light batter that crisps up the cauliflower perfectly.
  • All purpose flour: Combined with the corn starch to achieve the ideal batter consistency.
  • Water: To blend the batter smooth and thin like yogurt for maximum coating effect.
  • Cracked black pepper: The star ingredient that delivers that signature spicy kick and mesmerizing aroma.
  • Ground white pepper: Adds depth with its subtle heat and unique flavor profile.
  • Garlic cloves: Gives a fragrant punch that enhances the savory sauce base.
  • Shallots: Tender and sweet, they soften the flavor and add complexity.
  • Bird's eye chilli: For those who crave a bit more heat and balance in the sauce.
  • Curry leaves: Adds a distinctive herbal aroma key to Singaporean-style cooking.
  • Fermented bean paste: Brings umami richness, making the sauce deeply satisfying.
  • Vegan oyster sauce: A perfect plant-based alternative that brings savoriness and balance.
  • Soy sauce: Adds saltiness and depth to the sauce.
  • Sugar: A hint of sweetness to round out the spicy and savory flavors.

How to Make Vegan Singapore Black Pepper Sauce Spaghetti Recipe

Step 1: Prepare the Cauliflower

Start by cutting the cauliflower into medium-sized florets that are just right for frying. This size ensures they cook evenly and maintain a satisfying bite when coated in the delicious batter you will prepare next.

Step 2: Make the Batter

In a bowl, whisk together corn starch, all purpose flour, and water until you achieve a consistency similar to thin yogurt. This batter is light enough to coat your cauliflower without weighing it down, making every bite crispy and delightful.

Step 3: Fry the Cauliflower

Heat a deep pan with oil to the right temperature by testing with a drop of batter—if it sizzles and rises quickly, you’re good to go. Dip each cauliflower floret in the batter then gently place them in the hot oil. Fry until they float and turn a light golden color, being careful not to overcook so they can absorb the sauce later. Drain and set aside.

Step 4: Toast the Peppers

Toast cracked black pepper and ground white pepper in a dry non-stick pan over medium heat. This enhances their flavor, releasing a warm, spicy aroma that makes this dish so special.

Step 5: Prepare the Sauce Base

Combine vegan oyster sauce, soy sauce, and sugar in a small bowl for a sweet-salty balance. Finely chop shallots, garlic, and bird’s eye chili while removing the stems from curry leaves to prepare for the next step.

Step 6: Cook the Spaghetti

While preparing the sauce, bring a large pot of salted water to boil and cook your spaghetti according to the package instructions. The noodles will be the perfect base that carries the bold black pepper sauce.

Step 7: Sauté the Aromatics

In a non-stick pan, heat 3 tablespoons of oil and start by frying the shallots until translucent. Add garlic and let it release its fragrance, then stir in fermented bean paste, bird's eye chili, curry leaves, and the toasted black peppers. The kitchen will fill with an intoxicating aroma reflecting the heart of this recipe.

Step 8: Combine Cauliflower and Sauce

Add the crispy cauliflower back into the pan and toss them in half of the peppery sauce. Ensure every floret is beautifully coated to absorb those bold flavors.

Step 9: Mix Spaghetti with Sauce

Push the cauliflower to the side of the pan and add the drained spaghetti to the center. Pour the remaining sauce over the noodles and toss everything together until the spaghetti is thoroughly infused with that spicy, savory black pepper goodness.

Step 10: Serve Hot

Serve your creation warm with optional blanched vegetables to add freshness and color. This Vegan Singapore Black Pepper Sauce Spaghetti Recipe is best enjoyed immediately to appreciate its full flavor and texture.

How to Serve Vegan Singapore Black Pepper Sauce Spaghetti Recipe

A black pan filled with long, pale yellow noodles as the base layer, topped with many small roasted cauliflower pieces that are golden brown and slightly charred, scattered evenly over the noodles. There are some green herbs and small bits of red chili mixed among the cauliflower, adding color contrast. The pan sits on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

For an added touch of freshness and visual appeal, scatter some blanched greens like broccoli or baby bok choy alongside the pasta. A sprinkle of extra cracked black pepper or freshly chopped spring onions can elevate this dish further with simple, vibrant accents.

Side Dishes

If you want to turn this into a larger feast, pair the spaghetti with light, crisp salads or steamed Asian greens dressed with a splash of sesame oil and lemon. These sides complement the richness of the black pepper sauce beautifully, making for a well-rounded meal.

Creative Ways to Present

Present this dish family-style on a large platter, arranging the battered cauliflower on the edges and the glossy noodles at the center for a striking contrast. Alternatively, use individual bowls for a cozy, intimate meal that highlights each serving beautifully.

Make Ahead and Storage

Storing Leftovers

You can store any leftovers in an airtight container in the refrigerator for up to 2 days. The spaghetti may absorb more sauce overnight, so give it a quick toss with a little oil or soy sauce before reheating to revive the flavors.

Freezing

This dish freezes reasonably well though the texture of the battered cauliflower may soften. If freezing, store spaghetti and cauliflower separately for the best results. Use freezer-safe containers and consume within one month for optimal taste.

Reheating

Reheat gently in a skillet over medium heat, adding a splash of water or plant-based broth to loosen the sauce if necessary. Avoid microwaving directly to prevent sogginess and preserve the crispy texture of the cauliflower as much as possible.

FAQs

Is this Vegan Singapore Black Pepper Sauce Spaghetti Recipe spicy?

Yes, this recipe carries a pleasantly spicy kick thanks to the cracked black pepper and bird’s eye chili. However, you can adjust the chili quantity to suit your heat preference without compromising the flavor.

Can I substitute cauliflower with other vegetables?

Absolutely! While cauliflower is ideal for its texture and taste, you can try battered broccoli, mushrooms, or even tofu to create your own twist on this recipe.

What can I substitute for the vegan oyster sauce?

If you don’t have vegan oyster sauce, tamari or a mix of soy sauce with mushroom broth can provide a similar umami richness that complements this dish well.

How do I get the batter consistency just right?

The batter should be thin and silky, like a weak yogurt. If it’s too thick, the coating will be heavy; too thin, it won’t stick properly. Add water gradually while whisking until you reach this ideal texture.

Can I use gluten-free flour?

Yes, you can substitute all purpose flour with a gluten-free blend to make this dish suitable for gluten sensitivities. Corn starch will help maintain the crispiness in the batter as well.

Final Thoughts

This Vegan Singapore Black Pepper Sauce Spaghetti Recipe is a joyous celebration of bold flavors and contrasting textures that anyone can enjoy. It’s comforting but exciting, simple yet sophisticated. I can’t recommend it enough for your next cozy dinner—trust me, once you try it, you will keep coming back for that peppery, crispy magic.

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Vegan Singapore Black Pepper Sauce Spaghetti Recipe

Vegan Singapore Black Pepper Sauce Spaghetti Recipe


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.4 from 86 reviews

  • Author: Diane
  • Total Time: 40 minutes
  • Yield: 2 servings
  • Diet: Vegan
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Description

This Vegan Singapore Black Pepper Sauce Spaghetti recipe combines crispy battered cauliflower with a spicy, aromatic black pepper sauce served over perfectly cooked spaghetti. Inspired by Singaporean flavors, this dish is a delightful plant-based twist on a classic peppery stir-fry, balanced with fermented bean paste, bird's eye chili, curry leaves, and a rich umami sauce blend.


Ingredients

Cauliflower Batter and Frying

  • Cauliflower florets - medium-sized
  • ¼ cup corn starch
  • ¼ cup all purpose flour
  • Water - enough to make a thin yoghurt-like batter
  • Oil - about 800ml for deep frying

Sauce and Flavorings

  • 2 tsp cracked black pepper
  • 1 tsp ground white pepper
  • 3 garlic cloves, finely diced
  • 2 shallots, chopped
  • 1 bird's eye chilli, finely diced
  • 5-6 curry leaves, stems removed
  • 1 tbsp fermented bean paste
  • 2 tbsp vegan oyster sauce
  • 1 tbsp soy sauce
  • 1 tsp sugar
  • 3 tbsp oil (for frying)

Others

  • 150g spaghetti
  • Salt (for boiling pasta and seasoning)


Instructions

  1. Prepare the Cauliflower: Cut the cauliflower into medium-sized florets, suitable for frying and mixing with the sauce.
  2. Make the Batter: In a bowl, whisk together corn starch, all purpose flour, and water until you achieve a thin, yoghurt-like batter consistency.
  3. Deep Fry Cauliflower: Heat about 800ml of oil in a large, deep saucepan to medium-high heat. Test the oil by dripping a small amount of batter; if it rises immediately, the oil is ready. Dip cauliflower florets into the batter, then carefully drop into the hot oil. Fry until floating and lightly golden but not too brown to allow better sauce absorption. Remove and drain.
  4. Toast Peppers: In a dry non-stick pan over medium heat, toast cracked black pepper and ground white pepper until aromatic, then remove and set aside.
  5. Prepare Sauce Mixture: In a separate bowl, combine vegan oyster sauce, soy sauce, and sugar. Chop shallots, finely dice garlic and bird's eye chili, and remove curry leaves stems for cooking.
  6. Cook Spaghetti: Bring a large pot of salted water to a boil. Cook spaghetti according to package instructions until al dente. Drain and set aside.
  7. Cook Aromatics: Heat 3 tablespoon of oil in a non-stick pan over medium heat. Fry shallots until slightly translucent, then add garlic and continue stirring until fragrant.
  8. Add Flavor Elements: Mix in fermented bean paste, bird's eye chili, curry leaves, and toasted pepper mixture. Stir well to meld the flavors until the aroma is strong and pleasant.
  9. Toss Cauliflower in Sauce: Add the fried cauliflower back to the pan, pour half of the prepared sauce over, and toss thoroughly to coat each piece evenly.
  10. Combine with Spaghetti: Push cauliflower to the edges of the pan, place the cooked spaghetti in the center, then pour the remaining sauce over the pasta. Mix and toss everything together to ensure even coating of sauce.
  11. Serve: Plate the pasta and cauliflower mixture hot, optionally garnished with blanched vegetables or a sprig of fresh herbs for color and freshness.

Notes

  • Ensure the oil temperature is correct when deep frying the cauliflower; too hot and it will brown too fast, too cool and it will absorb excess oil.
  • Toasting the pepper maximizes its aroma and flavor, which is key to this black pepper sauce.
  • You can adjust the bird's eye chili quantity depending on your preferred spice level.
  • The batter consistency should be thin enough to coat but not too runny; think of a light yoghurt texture.
  • Use vegan oyster sauce and fermented bean paste to keep this recipe fully plant-based yet packed with umami.
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Main Course
  • Method: Frying
  • Cuisine: Singaporean

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