St. Pat's Veggies

Name: St. Pat's Veggies
Prep time: 15 min
Cook time: 1 h 30 min
Total time: 1 h 45 min
Yield: 6 servings
Ingredients: 4 tbsp unsalted butter, melted; 2 tbsp prepared horseradish, well-drained; 1.5 tsp kosher salt; 0.25 tsp freshly ground black pepper; 6 medium medium carrots, peeled and cut into 2-inch chunks; 1.25 lb small gold potatoes (about 1½ inches), halved; 1 very small very small green cabbage, cored and cut into ½-inch slices; 2 tbsp fresh Italian parsley, chopped; 1 cup full-fat sour cream; 2 tbsp prepared horseradish, well-drained; 1 tbsp Dijon mustard; 1 tsp white wine vinegar; 0.25 tsp kosher salt; 0.25 tsp freshly ground black pepper; 0.25 tsp granulated sugar

Horseradish-Glazed Irish Root Vegetables

These rustic vegetables get a bold twist from horseradish butter that caramelizes beautifully during the long roast. The potatoes develop crispy edges while the carrots turn sweet and tender, and the cabbage transforms into golden ribbons. Serve alongside the cooling horseradish cream sauce for the perfect balance of heat and richness.

IrishSide DishVegetarianComfort FoodHolidayRoastingSpringFallWinter

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Horseradish might seem like an aggressive choice for vegetables, but in Ireland, it's been pairing beautifully with root vegetables for centuries. The heat mellows significantly during the long roast, leaving behind a warm, earthy bite that brings out the natural sweetness in carrots and potatoes.

What makes this dish special is the slow transformation that happens in the oven. The horseradish butter doesn't just coat the vegetables — it caramelizes into their surfaces, creating golden, slightly crispy edges while the interiors turn tender and sweet. The cabbage, often overlooked as a roasting vegetable, becomes something entirely different here: its outer leaves crisp up like chips while the inner layers stay soft and slightly sweet.

This isn't about masking vegetables with bold flavors, but rather enhancing what's already there. The cooling cream sauce on the side provides the perfect counterpoint — a creamy, tangy refuge when the horseradish heat builds up. It's comfort food that wakes up your palate instead of putting it to sleep.

Prep15 min

Cook1 hr 30 min

Total1 hr 45 min

Servings6

Difficultyeasy

Ingredients

4 tbspunsalted butter, melted
2 tbspprepared horseradish, well-drained
1½ tspkosher salt
¼ tspfreshly ground black pepper
6 mediummedium carrots, peeled and cut into 2-inch chunks
1¼ lbsmall gold potatoes (about 1½ inches), halved
1 very smallvery small green cabbage, cored and cut into ½-inch slices
2 tbspfresh Italian parsley, chopped(optional)

Horseradish Cream Sauce

1 cupfull-fat sour cream
2 tbspprepared horseradish, well-drained
1 tbspDijon mustard
1 tspwhite wine vinegar
¼ tspkosher salt
¼ tspfreshly ground black pepper
¼ tspgranulated sugar

Instructions

Position a rack in the center of your oven and preheat to 325°F. This moderate temperature allows the vegetables to roast slowly and develop deep, caramelized flavors without burning.
Whisk together the melted butter, horseradish, salt, and pepper in a small bowl until well combined. The horseradish will distribute evenly and create a flavorful coating for all the vegetables.
Arrange the carrots, potatoes, and cabbage in separate sections on a large rimmed baking sheet. Drizzle the horseradish butter over everything, then toss each vegetable group to coat thoroughly while keeping them in their own areas. Place the potatoes cut-side down — this ensures they'll develop beautifully crispy, golden surfaces.
Roast for 1 hour and 30 minutes, checking every 20-30 minutes for even browning. When the cabbage edges turn golden and crispy, give those pieces a gentle toss. Flip the potatoes and carrots only when they've developed a nice caramelized crust — usually after about an hour. The vegetables are done when easily pierced with a fork and beautifully browned.
⏱ 1 hr 30 min
While the vegetables finish roasting, whisk together all the sauce ingredients in a small bowl until smooth. Taste and adjust the horseradish, salt, or vinegar to your liking — the sauce should be tangy and cooling to balance the roasted vegetables' sweetness.

Tips & Tricks

Don't overcrowd the vegetables on the pan — they need space to caramelize properly rather than steam together.
Save any leftover horseradish cream sauce for roasted meats or as a spread for sandwiches the next day.
If your carrots are particularly thick, cut them lengthwise in half so they cook evenly with the potatoes.
The cabbage will look like too much raw volume at first, but it shrinks dramatically during roasting.
For extra richness, use Yukon Gold potatoes instead of regular gold potatoes — they hold their shape better and have a creamier texture.

Frequently Asked Questions

Can I prep the vegetables ahead of time?

Yes, you can cut the vegetables and store them covered in the refrigerator for up to 24 hours. Mix the horseradish butter just before roasting to prevent the flavors from becoming too intense.

What if I can't find prepared horseradish?

You can substitute 1 tablespoon of freshly grated horseradish root mixed with a pinch of vinegar, but start with less since fresh is much more potent. Wasabi paste works in a pinch, though the flavor will be different.

How do I know when the vegetables are properly done?

The potatoes should have golden, crispy cut sides and pierce easily with a fork. Carrots should be tender throughout, and the cabbage edges should be golden brown and slightly crispy.

Can I make this dairy-free?

Replace the butter with olive oil for the vegetables, though you'll lose some of the rich caramelization. For the cream sauce, use thick coconut cream or cashew cream in place of sour cream.