Rumbledethumps Recipe

Introduction

Rumbledethumps is a comforting traditional Scottish dish that combines creamy mashed potatoes with sautéed cabbage and onion, all topped with sharp cheddar cheese and baked to golden perfection. It’s a simple, hearty recipe perfect as a side or a satisfying vegetarian main course. This dish brings a touch of rustic charm and warmth to any meal.

A close-up view of a golden-brown baked dish with a crispy cheese crust on top, showing layers of creamy creamy mashed potatoes mixed with green pieces of leafy vegetables beneath the cheese. Fresh green herb sprigs are scattered on the surface for a splash of color. The dish sits on a white plate, and the background is a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 4 medium potatoes, peeled and chopped
  • 2 tablespoons butter
  • 1/2 small green cabbage, finely shredded
  • 1 small onion, finely chopped
  • Salt and pepper to taste
  • 1/2 cup grated sharp cheddar cheese

Instructions

  1. Step 1: Preheat the oven to 375°F (190°C). Boil the chopped potatoes in salted water until tender, about 15–20 minutes. Drain and mash with 1 tablespoon of the butter.
  2. Step 2: While the potatoes cook, melt the remaining tablespoon of butter in a large skillet over medium heat. Add the cabbage and onion, sautéing until softened, about 10 minutes. Season with salt and pepper.
  3. Step 3: Stir the sautéed cabbage and onion mixture into the mashed potatoes until well combined.
  4. Step 4: Spoon the mixture into a greased baking dish and smooth the top evenly.
  5. Step 5: Sprinkle the grated cheddar cheese over the top of the mixture.
  6. Step 6: Bake uncovered for 20–25 minutes, until the cheese is golden and bubbly. Let cool slightly before serving.

Tips & Variations

  • For a richer flavor, stir a splash of cream or a dollop of sour cream into the mashed potatoes before baking.
  • Substitute kale for the cabbage if you prefer a slightly different texture and taste.
  • Try adding cooked bacon or smoked ham for a non-vegetarian twist.
  • Use mature cheddar for a sharper taste and a more pronounced cheesy crust.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven at 350°F (175°C) until warmed through, or microwave in short bursts, stirring occasionally to ensure even heating. The dish is best enjoyed fresh but keeps well for quick reheating.

How to Serve

A close-up of a round potato casserole with a golden brown top layer of melted cheese that looks crispy and bubbly, layered over soft, creamy potato slices and green vegetable pieces inside, all topped with small sprigs of fresh green thyme scattered across the surface. A piece is cut out, revealing the moist, tender texture of the cooked potatoes and greens inside. The dish is served on a white plate placed on a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make Rumbledethumps ahead of time?

Yes, you can prepare the mixture ahead and refrigerate it before baking. When ready, bake as directed, adding a few extra minutes if the dish is cold from the fridge.

Is Rumbledethumps gluten-free?

This recipe is naturally gluten-free as it contains only potatoes, vegetables, butter, and cheese. Just be sure to use gluten-free cheese if you have dietary restrictions.

Print

Rumbledethumps Recipe

Rumbledethumps is a traditional Scottish comfort food featuring mashed potatoes blended with sautéed cabbage and onions, topped with sharp cheddar cheese, then baked to golden perfection. This warm, cheesy gratin is both simple and soul-satisfying, perfect as a side dish or a hearty vegetarian meal that embodies classic Celtic home cooking.

  • Author: Hannah
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 4 servings 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: Scottish
  • Diet: Vegetarian

Ingredients

Scale

Potatoes

  • 4 medium potatoes, peeled and chopped

Vegetables

  • 1/2 small green cabbage, finely shredded
  • 1 small onion, finely chopped

Dairy

  • 2 tablespoons butter
  • 1/2 cup grated sharp cheddar cheese

Seasonings

  • Salt and pepper to taste

Instructions

  1. Preheat Oven: Preheat your oven to 375°F (190°C) to prepare for baking the dish later.
  2. Boil Potatoes: Place the peeled and chopped potatoes in a pot of salted boiling water and cook until tender, about 15-20 minutes. Drain well.
  3. Mash Potatoes: Mash the drained potatoes with 1 tablespoon of butter until smooth and creamy.
  4. Sauté Vegetables: While the potatoes cook, melt the remaining 1 tablespoon of butter in a large skillet over medium heat. Add the finely shredded cabbage and chopped onion. Sauté for about 10 minutes until softened and fragrant. Season with salt and pepper to taste.
  5. Combine Mixture: Stir the sautéed cabbage and onion mixture into the mashed potatoes, mixing thoroughly to combine all the flavors evenly.
  6. Assemble Dish: Spoon the potato and cabbage mixture into a greased baking dish, smoothing the top evenly.
  7. Add Cheese Topping: Sprinkle the grated sharp cheddar cheese evenly over the top of the mixture to create a cheesy crust upon baking.
  8. Bake: Place the baking dish in the preheated oven and bake uncovered for 20-25 minutes, or until the top is golden brown and bubbly.
  9. Serve: Allow the dish to cool slightly before serving. This helps the rumbledethumps set and enhances the flavors.

Notes

  • For a richer flavor, consider using smoked cheddar cheese.
  • You can substitute kale for cabbage if preferred for a slightly different texture and taste.
  • Leftovers can be reheated in the oven to maintain the crispy cheese topping.
  • This dish pairs wonderfully with roasted meats or can be enjoyed as a vegetarian main course.
  • Make sure not to over-mash the potatoes for some texture in the dish.

Keywords: Rumbledethumps, Scottish recipe, mashed potatoes, cabbage, cheddar cheese, comfort food, vegetarian gratin

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