Vegetable Gratin with Green Spelt (Grünkernauflauf)

If you’re looking for a hearty vegetarian dish that brings together wholesome grains, colourful vegetables, and plenty of cheese, this Vegetable Gratin with Green Spelt is exactly what you need. It’s a recipe with roots in Southern Germany, where Grünkern has been a kitchen staple for centuries. Baked until golden brown and bubbling, this gratin is comfort food at its finest — filling, nourishing, and deeply satisfying.

What is Grünkern?

Grünkern literally translates to “green grain”. It is spelt that is harvested while still unripe and green, then carefully dried and often lightly smoked. This traditional process gives it a unique, nutty, and slightly smoky flavour. The grain has a chewy texture, similar to barley, but with its own rustic character.

In Germany, particularly in Swabia and Franconia, Grünkern is a beloved ingredient in soups, patties, and casseroles. Historically, it was a way for farmers to save crops during poor weather conditions, harvesting the grain early before it could be ruined. Today, it is valued both for its flavour and nutritional benefits, as it is high in fibre and plant-based protein.

Why You’ll Love This Gratin

This recipe combines Grünkern with carrots, cauliflower, leeks, and parsley, all bound together with cream, eggs, and cheese. Here’s why it deserves a spot in your recipe collection:

Comforting and hearty – The grains and vegetables make it a filling main dish.

Nutritious – Packed with fibre, protein, vitamins, and minerals.

Family-friendly – Kids love the creamy, cheesy flavour, while adults appreciate the rich, rustic taste.

Make-ahead option – The gratin can be prepared in advance and reheated, and leftovers taste even better the next day.

How to Make Vegetable Gratin with Green Spelt

The preparation is straightforward:

Cook the Grünkern in broth until tender and fluffy.

Prepare the vegetables – sauté onions, blanch carrots, cauliflower, and leeks.

Mix everything together with parsley, half the cheese, and seasoning.

Make a creamy topping of eggs, cream, and the remaining cheese.

Bake until golden and bubbling.

Vegetable Gratin with Green Spelt

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This traditional German gratin combines hearty green spelt (Grünkern) with carrots, cauliflower, leeks, parsley, and cheese. Baked in a creamy egg-and-cheese mixture, it’s a wholesome, comforting vegetarian dish with a nutty, smoky flavour.

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Prep Time 40 minutes mins

Cook Time 35 minutes mins

Total Time 1 hour hr 15 minutes mins

Servings: 4

Course: Side Dish, Tasty Sides & Vegetables

Cuisine: German

Calories: 593

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Ingredients Method Nutrition

Ingredients

  

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• 250 g green spelt (Grünkern)
• 1 cube vegetable stock or 250 ml broth
• 1 large onion
• 2 tbsp sunflower oil
• 250 g carrots
• 250 g cauliflower
• 250 g leeks
• 1 bunch flat-leaf parsley
• Salt pepper
• 200 g grated cheese e.g., Emmental
• Sweet paprika powder
• 250 g whipping cream
• 2 eggs

Also:

• Butter for greasing the dish

Method

 

1. Cook the green spelt
2. Rinse the green spelt under cold water. Place in a pot with the broth and simmer covered for about 10 minutes. Then let it swell on low heat for another 20 minutes.
3. Prepare vegetables
4. Peel and finely chop the onion. Heat the oil in a pan and sauté the onion until translucent.
5. Peel and dice the carrots. Wash and separate the cauliflower into florets. Clean the leeks, slice lengthwise, wash thoroughly, and cut into ½ cm thick rings.
6. Blanch vegetables
7. Wash the parsley and chop the leaves. Bring plenty of salted water to a boil. Cook the carrots, cauliflower, and leeks one after the other (about 3 minutes each). Drain in a colander, rinse with cold water, and let drain well.
8. Assemble the gratin
9. Preheat the oven to 200 °C (fan 180 °C). Grease a baking dish with butter. Mix the cooked green spelt, onion, carrots, cauliflower, leeks, parsley, and half the grated cheese. Season with salt, pepper, and paprika powder. Spread evenly in the baking dish.
10. Make the topping
11. Whisk the cream and eggs together. Stir in the remaining cheese. Pour the mixture over the vegetables and grains in the baking dish.
12. Bake
13. Place in the preheated oven and bake for about 35 minutes until golden brown.

Nutrition

Calories: 593kcalCarbohydrates: 21gProtein: 19gFat: 49gSaturated Fat: 25gPolyunsaturated Fat: 2gMonounsaturated Fat: 16gTrans Fat: 0.01gCholesterol: 202mgSodium: 619mgPotassium: 628mgFiber: 4gSugar: 9gVitamin A: 13022IUVitamin C: 42mgCalcium: 478mgIron: 2mg

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Serving Suggestions

This gratin is versatile. Serve it as a vegetarian main dish with a crisp green salad, or pair it as a side with roasted meats. It also works wonderfully as part of a holiday spread or Sunday dinner. A spoonful of sour cream or a drizzle of herb butter on top can make it even more indulgent.

Leftovers are easy to store and reheat, making it an excellent meal-prep option. In fact, many say it tastes even better the next day as the flavours meld together.

Oma’s Kitchen Tradition

In many German households, including Oma’s, no food went to waste. Grünkern dishes like this gratin were often prepared in large batches. Portions were set aside, sometimes even frozen, to be enjoyed later. This tradition of thoughtful, resourceful cooking is part of what makes recipes like this so special — they’re designed for both flavour and practicality.

Final Thoughts

If you’ve never cooked with Grünkern before, this gratin is the perfect place to start. It shows off the grain’s earthy taste in a comforting, family-friendly dish. Whether you’re cooking for a cosy dinner at home, hosting friends, or looking for something new to bring to a potluck, this recipe is sure to impress.

Vegetable Gratin with Green Spelt is more than just a casserole — it’s a connection to tradition, a hearty vegetarian option, and a dish that feels like a warm hug on the plate.