Description

This Easy Roasted Cabbage with Amazing Onion Dijon Sauce is a simple, flavorful side dish featuring caramelized roasted cabbage wedges paired with a tangy, buttery Dijon mustard sauce infused with fresh onion. Roasting the cabbage brings out its natural sweetness and creates crispy, flavorful edges, while the rich onion Dijon sauce adds a lovely complementary punch. Perfect for a quick weeknight side or elegant addition to any meal.

Ingredients

Scale

For the Roasted Cabbage

1/2 medium green cabbage (about 1½ pounds)
1 tablespoon olive oil or garlic infused olive oil
Salt and pepper, to taste

For the Onion Dijon Sauce

3 tablespoons butter or margarine (to keep dairy free)
2 tablespoons minced fresh onion or shallot, or white part of sliced green onion (reserve green parts for garnish)
1 tablespoon Dijon mustard (or to taste)
1/2 teaspoon minced garlic (or 1/4 teaspoon dried granulated garlic)
1/8 teaspoon salt
1/8 teaspoon pepper
Optional: chopped chives or parsley for serving

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Instructions

Preheat the oven: Heat your oven to 450°F (232°C). Prepare a baking sheet lined with parchment paper or a silicone mat to prevent sticking and ensure easy cleanup.
Prepare the cabbage wedges: Cut the half cabbage into four equal wedges. Place them on the prepared baking sheet. Using a pastry brush, coat the cut sides of each wedge with olive oil and season generously with salt and pepper. Turn the wedges and coat the other side the same way.
Roast the cabbage: Place the baking sheet in the oven and roast the cabbage wedges for 10-12 minutes. Flip each wedge carefully and continue roasting for another 8-10 minutes until the cabbage is nicely browned and crispy on the edges. Some charring is welcome as it adds wonderful texture and flavor.
Make the onion Dijon sauce: While the cabbage roasts, combine the butter, minced onion or shallot, Dijon mustard, garlic, salt, and pepper in a small saucepan over medium heat. Stir until the butter melts and the sauce is warmed through. Alternatively, place ingredients in a microwavable container and heat on high for about 1 minute; reheat if needed before serving.
Serve: Arrange the roasted cabbage wedges on a serving plate. Whisk the sauce again to emulsify if needed, then drizzle generously over the cabbage. Garnish with chopped green onion tops, chives, or parsley as desired.

Notes

Use garlic-infused olive oil for a subtle garlic flavor without overpowering the cabbage.
Adjust Dijon mustard according to your preferred tanginess level.
Keep the reserved green onion tops or fresh herbs for a bright, fresh garnish.
Watch the cabbage closely when roasting; some charring adds flavor but avoid excessive burning.
To make the dish dairy-free, use margarine instead of butter.