Craving a crunchy, sweet snack that won’t spike your carbs? These keto air fryer banana chips are the perfect solution! Unlike traditional banana chips, which are often loaded with sugar and fried in unhealthy oils, this recipe uses just a hint of coconut oil and green (unripe) bananas for a naturally low-carb, fibre-rich treat.
Green bananas are lower in sugar than ripe ones, making them a clever keto-friendly swap. Air frying delivers a satisfyingly crisp texture without the need for deep frying, so you can enjoy guilt-free snacking any time.
Simply slice, toss, and air fry—these chips are ready in under 30 minutes. Enjoy them on their own, with dips, or as a crunchy topping for salads and yoghurt. Once you try these, you’ll never go back to store-bought!
At a glance
- Time: 30 minutes
- Difficulty: Easy
- Servings: 2
- Cost: Affordable
Macros (per serving)
- Protein: 1.5 g
- Fat: 6 g
- Carbs: 9 g
- Energy: 90 kcal
Ingredients
- 2 medium Green bananas (Unripe; lower in sugar than ripe bananas)
- 2 teaspoons Coconut oil (Melted)
- 1/4 teaspoon Sea salt (Or to taste)
- 1/4 teaspoon Ground cinnamon (Optional, for extra flavour)
Equipment Needed
- Air fryer
- Sharp knife
- Cutting board
- Mixing bowl
- Tongs
Steps
- Preheat your air fryer to 180°C for 3 minutes.
- Peel the green bananas and slice them into thin rounds, about 2mm thick, for maximum crispiness.
- In a mixing bowl, toss the banana slices with melted coconut oil, sea salt, and cinnamon if using, ensuring each slice is lightly coated.
- Arrange the slices in a single layer in the air fryer basket. Work in batches if needed to avoid overlapping.
- Air fry for 10 minutes, then flip the chips with tongs. Continue air frying for another 8–10 minutes, checking at 2-minute intervals after 15 minutes total. Chips should be golden and crisp at the edges.
- Remove chips to a wire rack and let cool for 5 minutes—they will crisp up further as they cool.
- Repeat with remaining banana slices if needed. Serve once fully cooled for the best crunch.
Allergens & Swaps
Allergens:
Recipe contains: No known allergens
Potential swaps:
- Coconut oil → Olive oil — For a different flavour or if allergic to coconut
- Green bananas → Green plantains — Slightly higher in carbs but still lower than ripe bananas
Serving Ideas
- With Greek yoghurt dip – for a creamy, tangy contrast.
- As a salad topper – adds crunch to leafy greens.
- With guacamole – for a savoury, satisfying snack.
Additional Info
Chefs Tips
- Slice bananas as thinly and evenly as possible for the crispiest chips.
- Don’t overcrowd the air fryer basket; work in batches for best results.
- Cool chips fully before storing to prevent sogginess.
Variations
- Sprinkle with smoked paprika for a savoury twist.
- Add a pinch of chilli powder for a spicy kick.
- Try with a dash of vanilla extract for a subtle sweetness.
Troubleshooting
- If chips are chewy, air fry for 2–3 more minutes, checking frequently.
- If chips brown too quickly, reduce air fryer temperature by 10°C.
Storage & Reheating
Store cooled banana chips in an airtight container at room temperature.
- Fridge: up to 7 days
- Freezer: up to 2 months
- Reheat: Re-crisp in the air fryer at 160°C for 2–3 minutes if needed.
Ingredient Spotlight
Green bananas: Lower in sugar and higher in resistant starch than ripe bananas, making them suitable for keto in moderation.
Coconut oil: Adds healthy fats and a subtle tropical flavour, perfect for keto snacking.
FAQs
Are banana chips keto-friendly?
Traditional banana chips are not keto-friendly, but using green (unripe) bananas keeps the carbs much lower, making these suitable for a keto diet in moderation.
Can I use ripe bananas?
No, ripe bananas are much higher in sugar and carbs. Always use green, unripe bananas for keto recipes.
How do I keep banana chips crispy?
Let them cool completely on a wire rack after air frying. Store in an airtight container to maintain crispness.
Can I make these without an air fryer?
Yes, you can bake them in a fan oven at 180°C, but they may take longer and require flipping for even crisping.
Are these chips sweet or savoury?
They have a mild, slightly savoury flavour with a hint of sweetness from the green bananas. Add cinnamon for a sweeter touch.
Crispy Keto Air Fryer Banana Chips with Coconut Oil
Ingredients
- 2 medium Green bananas (Unripe; lower in sugar than ripe bananas)
- 2 teaspoons Coconut oil (Melted)
- 1/4 teaspoon Sea salt (Or to taste)
- 1/4 teaspoon Ground cinnamon (Optional, for extra flavour)
Instructions
- Preheat your air fryer to 180°C for 3 minutes.
- Peel the green bananas and slice them into thin rounds, about 2mm thick, for maximum crispiness.
- In a mixing bowl, toss the banana slices with melted coconut oil, sea salt, and cinnamon if using, ensuring each slice is lightly coated.
- Arrange the slices in a single layer in the air fryer basket. Work in batches if needed to avoid overlapping.
- Air fry for 10 minutes, then flip the chips with tongs. Continue air frying for another 8–10 minutes, checking at 2-minute intervals after 15 minutes total. Chips should be golden and crisp at the edges.
- Remove chips to a wire rack and let cool for 5 minutes—they will crisp up further as they cool.
- Repeat with remaining banana slices if needed. Serve once fully cooled for the best crunch.
Allergens & Swaps
Allergens: none
- Coconut oil → Olive oil — For a different flavour or if allergic to coconut
- Green bananas → Green plantains — Slightly higher in carbs but still lower than ripe bananas
Nutrition (per serving)
- Protein: 1.5 g
- Fat: 6 g
- Carbs: 9 g
- Energy: 90 kcal
