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Home » Recipes » Side Dishes

Root Veg Mash

Published: Nov 3, 2025 · Modified: Feb 18, 2026 by Deborah · This post may contain affiliate links · This blog generates income via ads · #sponsoredpost · Leave a Comment

Root veg mash in a blue patterned serving bowl with a pie and bowl of broccoli and green beans in the background.
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This root veg mash is a simple yet delicious twist on classic mashed potatoes. Combining a mix of potatoes, parsnips and carrots, it's naturally sweet, creamy, and full of flavour. Whether served alongside roast meats, sausages, or a hearty stew, it's a wholesome and colourful side dish that brings comfort to any meal. 

It's a healthier alternative to plain mash with having nutritional benefits of being full of fibre, vitamins, and antioxidants...and it's a great way to use up leftover vegetables!

As well as enjoying this root veg mash as a side dish, try topping a pie with it too - it's delicious.

 

Tips

  • Optional variations: 
    • For a velvety finish use half milk and half cream. 
    • Stir in a teaspoon of Dijon mustard and a drizzle of honey for honey and mustard root veg mash. 
    • Stir through some grated parmesan or cheddar for a rich cheesy root mash. 
    • Add ground cumin, coriander or smoked paprika for a spiced mash with warmth and colour. 
    • Add some grated nutmeg for warmth. 
  • This root veg mash recipe is easily adapted if you're cooking for less or more people.

Frequently Asked Questions

What vegetables can I use for root veg mash?  

Classic options are potatoes, parsnips and carrots. You can also include sweet potato, swede, or celeriac for variety.  

Can I make root veg mash ahead of time?

Yes - keep it in the fridge for up to 2 days and reheat gently with a splash of milk or butter.  

Can I freeze root veg mash?  

Yes - freeze portions in airtight containers for up to 3 months. Defrost overnight and reheat thoroughly before serving.  

How do I make it dairy-free or vegan?  

Use olive oil, dairy-free butter, or a splash of oat milk instead of milk.  

Can I mash by hand, or do I need a food processor?  

Either works - hand mashing gives a rustic texture, while a food processor or stick blender makes it ultra-smooth.  

What can I serve it with?  

It pairs beautifully with roasts, sausages, stews, or grilled meats - or top with a fried egg for a simple vegetarian meal.  

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How to make this Root Veg Mash

Ingredients

  • 400g potatoes (eg: Maris Piper or King Edward), peeled and cut into 2 to 3cm chunks 
  • 200g parsnips, peeled and cut into 2 to 3cm chunks 
  • 200g carrots, peeled and cut into 2 to 3cm chunks 
  • cooking salt 
  • 30g butter 
  • 25ml milk (I use semi-skimmed) 
  • freshly ground black pepper 

Instructions

  1. Put the potatoes, parsnips and carrots in a large saucepan of cold water, bring to the boil and add some cooking salt. Cook on a continuous simmer for 15 to 20 minutes, until very tender. Drain, leave to steam for 5 minutes, then mash with the butter, milk and some freshly ground black pepper. 

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Root veg mash in a blue patterned serving bowl with a pie and bowl of broccoli and green beans in the background.

Root Veg Mash

By: Deborah
A creamy, colourful root veg mash made with a mix of potatoes, parsnips and carrots. Easy to make, full of flavour, and perfect for roasts, sausages, or cosy midweek dinners.  
PREP: 15 minutes mins
COOK: 20 minutes mins
TOTAL: 35 minutes mins
Servings: 4 people
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Equipment

  • Saucepan
  • Colander

Ingredients

  • 400 g (0.9 lb) potatoes (eg: Maris Piper or King Edward) peeled and cut into 2 to 3cm chunks
  • 200 g (7.1 oz) parsnips peeled and cut into 2 to 3cm chunks
  • 200 g (7.1 oz) carrots peeled and cut into 2 to 3cm chunks
  • cooking salt
  • 30 g (1.1 oz) butter
  • 25 ml (5 tsp) milk (I use semi-skimmed)
  • freshly ground black pepper

Instructions

  • Put the potatoes, parsnips and carrots in a large saucepan of cold water, bring to the boil and add some cooking salt. Cook on a continuous simmer for 15 to 20 minutes, until very tender. Drain, leave to steam for 5 minutes, then mash with the butter, milk and some freshly ground black pepper.

Notes

  • Optional variations: 
    • For a velvety finish use half milk and half cream. 
    • Stir in a teaspoon of Dijon mustard and a drizzle of honey for honey and mustard root veg mash. 
    • Stir through some grated parmesan or cheddar for a rich cheesy root mash. 
    • Add ground cumin, coriander or smoked paprika for a spiced mash with warmth and colour. 
    • Add some grated nutmeg for warmth. 
  • This root veg mash recipe is easily adapted if you're cooking for less or more people.    
 
You might also like to try:   
  • side dishes  
 

Nutrition

Calories: 115kcal | Carbohydrates: 14g | Protein: 1g | Fat: 6g | Saturated Fat: 4g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Trans Fat: 0.3g | Cholesterol: 17mg | Sodium: 91mg | Potassium: 358mg | Fiber: 4g | Sugar: 5g | Vitamin A: 8547IU | Vitamin C: 11mg | Calcium: 44mg | Iron: 0.4mg

Nutrition information is automatically calculated, so should only be used as an approximation.

KEYWORDS comfort food, easy vegetable mash, freezable, healthy side dishes, make ahead, mashed root vegetables, roast dinner sides, root veg mash, root vegetable mash recipe, winter comfort food
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Photo of Deborah in her kitchen!

Hello!   I’m Deborah and I’m married to David and have 2 lovely step sons.   David and I both love cooking…for ourselves, family and friends.   I’m definitely one of the lucky ones…getting cooked for and we enjoy cooking together.

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