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April 24, 2025

Rumbledthumps

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Rumbledthumps–a tasty potato and cabbage side dish that you can make in the Instant Pot or slow cooker.

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Rumbledthumps

Rumbledthumps

Rumbledethumps is a traditional Scottish dish made up of mashed potatoes and cabbage. The name is believed to derive from the Scottish words “rumble” (to mix or stir) and “thump” (to mash or pound), reflecting the preparation method. Basically it’s mashed potatoes and cabbage with cheese on top and it’s so yummy! I wanted to eat the whole batch.

Ingredients/Substitution Ideas

  • Chicken broth–or water and Better than Bouillon chicken base
  • Cabbage
  • Russet potatoes–or yukon gold potatoes
  • Butter
  • Kosher salt
  • Black pepper
  • Cheddar cheese–I like sharp
  • Chives–or green onions

Steps

Add broth into Instant Pot. Add cabbage evenly into bottom of the pot. Then add the potatoes on top.

Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 5 minutes. When time is up move valve to venting and remove the lid. 

Drain the broth. Add in the butter and mash the potatoes and cabbage. Stir in the salt and pepper. 

Sprinkle the cheese on top and let it melt or you can stir it in. Top with chives and serve. 

Mashed Potatoes and Cabbage (Instant Pot Recipe)

Notes/Tips

  • Serve as a side dish like you would serve mashed potatoes.
  • I used my 6 quart Instant Pot*. You can also make this in an 8 quart pot or halve the recipe in a 3 quart pot.
  • Store leftovers in an airtight container* in the refrigerator for up to 4 days or in the freezer for up to 3 months.
  • Other recipes you can make with cabbage are Instant Pot Panda Express Chow Mein and Instant Pot Korean BBQ Burrito.
Did you know you can filter the recipes on my website to search by meat type, IP or Crockpot, low carb, gluten free, etc.? Use the filter to find exactly what you are looking for. 

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Mashed Potatoes and Cabbage (Instant Pot Recipe)
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Rumbledthumps


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  • Author: 365 Days of Slow and Pressure Cooking
  • Prep Time: 20 minutes
  • Total Time: 20 minutes
  • Yield: 4–6 servings 1x
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Description

A tasty potato and cabbage side dish that you can make in the Instant Pot or slow cooker.


Ingredients

Scale
  • 1/2 cup chicken broth
  • 5 cups shredded cabbage
  • 24 ounces Russet potatoes, peeled and cut into 1/2 inch cubes
  • 1/4 cup butter
  • 1 tsp kosher salt
  • 1 tsp black pepper
  • 1/2 cup shredded cheddar cheese
  • Chives or green onions, for topping

Instructions

Instant Pot Instructions:

  1. Add broth into Instant Pot. Add cabbage evenly into bottom of the pot. Then add the potatoes on top.
  2. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 5 minutes. When time is up move valve to venting and remove the lid. 
  3. Drain the broth. Add in the butter and mash the potatoes and cabbage. Stir in the salt and pepper. 
  4. Sprinkle the cheese on top and let it melt or you can stir it in. Top with chives and serve. 

Slow Cooker Instructions: 

  1. Add broth, cabbage and potatoes  into slow cooker.
  2. Cover and cook on high for 2-3 hours or on low for 4-5 hours. 
  3. Drain the broth. Add in the butter and mash the potatoes and cabbage. Stir in the salt and pepper. 
  4. Sprinkle the cheese on top and let it melt or you can stir it in. Top with chives and serve. 
  • Category: Side
  • Method: Instant Pot or Slow Cooker

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Mashed Potatoes and Cabbage (Instant Pot Recipe)

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*Karen Petersen is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.

2 Comments Filed Under: All Recipes, Gluten Free, Instant Pot, Meatless, Potatoes, Side Dish, Slow Cooker

Comments

  1. Rita Y says

    April 25, 2025 at 4:50 pm

    About the shredded cabbage………just checking….are you shredding it into long strips or cubing it into small/medium squares? I am intrigued with this recipe because it is similar to Colcannon and that it can be frozen, since I’m cooking for one. Thank you!

    Reply
    • Karen says

      May 14, 2025 at 12:37 pm

      I shredded into long strips.

      Reply

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Hi, I’m Karen. I know that dinner time can be less than relaxing. Busy schedules and cranky kids and a hundred other things can lead to weariness when it comes to putting dinner on the table. I can help! I make homemade, family-friendly slow cooker and Instant Pot dinners and share the recipes with you.

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