Spiced Leek and Potato Soup

Spiced leek and potato soup recipe

This spiced leek and potato soup is a delicious twist on a classic. Creamy potatoes, sweet leeks and onions are gently simmered with warming spices like turmeric, cumin and ginger, then blended into a velvety, golden soup.

At just 129 calories per serving, it’s light yet satisfying, slimming-friendly, and perfect for a quick lunch or cosy dinner. Ready in under 45 minutes (10 minutes prep + 35 minutes cook), this healthy soup is an easy one-pot winner for any day of the week

In this post

• What is spiced leek & potato soup?
• Why you’ll love this recipe
• Ingredients you will need
• Step-by-step instructions
• Variations and substitutions
• Serving suggestions
• Storing & reheating
• FAQ
• Recipe

What is spiced leek & potato soup?

Leek and potato soup is a well-loved classic in British cooking, known for its creamy texture and mild, comforting flavour. This version takes it up a notch with the addition of warming spices like turmeric, cumin and ginger, which add depth, colour, and a subtle kick.

It’s the perfect winter warmer: cosy, budget-friendly and nourishing.

Why you’ll love this recipe

• Slimming-friendly – just 129 calories per serving, perfect for healthy eating plans.
• Quick & easy – ready in around 45 minutes total.
• Warming & comforting – aromatic spices make it ideal for chilly days.
• Budget-friendly – made with simple, affordable ingredients.
• Versatile – works as a light starter, hearty lunch, or dinner with sides.

Variations and substitutions

• Creamier soup – stir in a splash of coconut milk, crème fraîche or cream before blending.
• Extra veggies – add carrots, parsnips or celery to bulk it up.
• Spice it up – add a pinch of chilli flakes or cayenne if you like more heat.
• Protein boost – stir in cooked lentils or chickpeas before serving.
• Chunky version – instead of blending completely, leave half the soup chunky for more texture.

Serving suggestions

This soup is hearty on its own, but you can make it into a complete meal with:

• A slice of warm crusty bread, naan or wholemeal pitta bread.
• A topping of Greek yoghurt or crème fraîche for creaminess.
• Toasted pumpkin seeds or croutons for crunch.

Storing & reheating

• Fridge – Store in an airtight container for up to 3 days.
• Freezer – Freeze in portions for up to 3 months. Defrost in the fridge before reheating.
• Reheat – Warm gently in a saucepan, stirring well. Add a splash of stock or water if it thickens too much.

Frequently asked questions about spiced leek & potato soup

Can I make this soup ahead of time?
Yes! It actually tastes even better the next day as the flavours deepen.

Do I need to peel the potatoes?
No – if using thin-skinned potatoes, just scrub them well. Peeling is optional.

Can I make this soup without blending?
Yes – it will be more of a chunky broth-style soup, which is still delicious.

Is this soup vegan?
Yes, if you use vegetable stock and avoid dairy toppings.

How does Spiced leek and potato soup work on Slimming World?

This Spiced leek and potato soup is an absolutely fantastic syn free meal if you are following Slimming World. It’s packed full of healthy vegetables (speed foods) so it’s the perfect bowl of nourishing comfort food. If you are using spray oil then there may be some syns (usually around 1/2 syn for 6 sprays), so this is very little when split between 4 people.