Crispy, spiced, oven-baked bhajis made with onion and sweet potato—no oil, no flour, no syns! Paired with a creamy yoghurt-mint dip, they’re the ultimate guilt-free snack or party nibble.
👩🍳 Servings & Timing
- Prep Time: 15 minutes
- Cook Time: 25–30 minutes
- Total Time: 40–45 minutes
- Yield: 12 small bhajis (2–3 servings)
- Dietary Tags: Slimming World | Syn-Free | Gluten-Free | Dairy-Free (bhajis only) | Vegetarian
🛒 Ingredients
For the Onion Bhajis
- Red onions
- Sweet potato
- Eggs
- Ground cumin
- Ground coriander
- Garam masala
- Salt & pepper (to taste)
- Optional: chili flakes or fresh coriander for extra heat or freshness
For the Yoghurt Mint Dip
- Fat-free plain Greek yoghurt
- Fresh mint (finely chopped)
- Lemon juice
- Garlic (optional)
- Salt
🧑🍳 Instructions
🧅 For the Bhajis
-
Prep the Veggies:
Thinly slice red onions and grate sweet potato. -
Mix the Batter:
In a bowl, combine onions, grated sweet potato, 2 eggs, cumin, coriander, garam masala, and salt & pepper. Mix well until everything is evenly coated. -
Form & Bake:
Preheat oven to 200°C / 390°F. Line a baking tray with parchment. Spoon the mixture into small mounds on the tray (use your hands to shape if needed). -
Bake:
Bake for 25–30 minutes, flipping halfway, until golden brown and crisp on the edges.
🧄 For the Yoghurt Mint Dip
- Mix together:
- ½ cup fat-free Greek yoghurt
- 1–2 tbsp finely chopped fresh mint
- A squeeze of lemon juice
- Pinch of salt
- Optional: minced garlic or garlic powder
- Chill until ready to serve.
💡 Quick Notes
- Use red onions for a slightly sweeter, milder flavor.
- Sweet potato adds natural binding and moisture—no flour needed!
- These are oven-baked, not fried = totally syn-free on Slimming World!
🖼️ Hero Image
(Insert photo of golden-brown bhajis stacked beside a bowl of minty yoghurt dip, garnished with coriander and lemon wedges.)
🥄 Healthy Never Tasted So Good
These bhajis prove that healthy snacking doesn’t have to mean bland rice cakes or celery sticks. They’re full of flavor, totally oil-free, and oven-baked to crispy perfection. Perfect for Slimming World or anyone wanting a spicy, crunchy, satisfying snack between meals.
📸 Step-by-Step Cooking Guide
1️⃣ Slice & Grate
- Thinly slice 3 red onions
- Grate 1 sweet potato (peeled)
Tip: Use a mandoline for even onion slices and quicker prep.
2️⃣ Mix the Batter
In a bowl, mix:
- 2 eggs
- 1 tsp ground cumin
- 1 tsp ground coriander
- 1 tsp garam masala
- Salt & pepper
Then fold in onions and sweet potato until well coated.
3️⃣ Shape & Bake
- Preheat oven to 200°C / 390°F
- Line a tray with parchment or silicone mat
- Spoon the mixture into 12 small mounds
- Bake 25–30 min, flipping halfway
Tip: Press them down slightly for even crisping.
4️⃣ Make the Dip
In a small bowl, stir together:
- ½ cup fat-free Greek yoghurt
- 1–2 tbsp chopped fresh mint
- Juice of ½ lemon
- Pinch of salt
Optional: add a pinch of garlic powder or ½ clove fresh garlic (minced)
🧂 Ingredient Notes & Tips
🔪 Red Onions
- Sweeter and more colorful than white onions
- Slice thin so they soften and crisp in the oven
🍠 Sweet Potato
- Grated fine to bind the bhajis and give slight sweetness
- Adds fiber, vitamins, and moisture
🧂 Spices
- Cumin, coriander, garam masala = classic Indian bhaji flavors
- Add chili powder or fresh chili if you like heat
🍳 Eggs
- Acts as binder—keeps the bhajis together without needing flour or oil
- For a vegan option: try flax eggs (1 tbsp flax + 3 tbsp water per egg)
🍽️ Serving Ideas & Variations
🔁 Flavor Variations
- Add chopped spinach or kale for extra greens
- Mix in a tsp of turmeric for color and anti-inflammatory boost
- Sprinkle with nigella seeds or sesame seeds before baking
🌱 Dietary Options
- Naturally gluten-free and dairy-free (bhajis only)
- Vegan option: Use flax eggs
- Low-calorie dip: Use fat-free yoghurt (Syn-free on Slimming World)
🧾 How to Serve
- As a healthy midday snack
- On the side of curry night as a crunchy starter
- Add to a lunchbox with salad and hummus
🍹 Pairing
- Serve with a glass of iced mint tea or sparkling water with lime for a light, refreshing combo
🧊 Storage & Make-Ahead
Fridge
- Store in an airtight container for up to 3 days
- Reheat in oven or air fryer for crispiness
Freezer
- Freeze cooked bhajis in layers with parchment between
- Reheat from frozen in oven or air fryer at 180°C for 8–10 minutes
Make-Ahead
- Prep the mixture ahead and bake fresh when needed
- Yogurt dip keeps 2–3 days in the fridge
🧮 Nutrition Estimate (Per 3 Bhajis + Dip)
| Nutrient | Amount |
|---|---|
| Calories | ~120 kcal |
| Protein | 6g |
| Carbs | 12g |
| Fat | 4g |
| Fiber | 3g |
| Syns (Slimming World) | 0 (if yoghurt is fat-free) |
❓ Frequently Asked Questions
Q: Are these really syn-free?
A: Yes! As long as you use fat-free Greek yoghurt and free foods, these bhajis are syn-free on Slimming World.
Q: Can I air fry them?
A: Absolutely! Air fry at 180°C for 15–18 minutes, flipping halfway.
Q: Can I use white onions or regular potatoes?
A: Yes, but red onions and sweet potatoes give more flavor and texture. White potatoes may make the mix wetter.
Q: Can I batch cook and freeze?
A: Yes! They freeze and reheat beautifully. Ideal for snack prep.
❤️ Why I Love These Bhajis
These bhajis saved me from boring snack ruts. They’re warm, crunchy, spicy—and they don’t cost me any syns. I whip them up whenever I feel snacky or need a healthy side dish for curry. They also impress guests who can’t believe they’re baked and flour-free!
💬 What’s Your Favorite Snack?
Have you tried syn-free bhajis before? Would you add chili? Coriander? Let me know how you’d tweak it and don’t forget to leave a review if you try it!
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