Roasted Onions with Gruyère Croutons

Name: Roasted Onions with Gruyère Croutons
Total time: 1 h 30 min
Yield: 6 servings
Ingredients: 12 whole white pearl onions, peeled; 12 whole red pearl onions, peeled; 8 whole large shallots, peeled, halved through root end; 6 whole large green onions, dark green tops trimmed; 2 whole medium sweet onions (such as Vidalia), peeled, cut into 3/4-to 1-inch wedges through root end; 1 whole large red onion, peeled, cut into 3/4-to 1-inch wedges through root end; 1 whole brown-skinned onion, peeled, cut into 3/4-to 1-inch wedges through root end; 3 tablespoons extra-virgin olive oil; 1 tablespoon fresh thyme leaves; 1 teaspoon coarse kosher salt; ½ teaspoon freshly ground black pepper; 3 cups coarsely torn 1/2-inch pieces rustic bread with crust; 1 cup low-salt chicken broth; 6 ounces Gruyère cheese, coarsely grated (about 1 1/2 cups packed); 1 pinch Sea salt flakes or crystals

A savory medley of different onion varieties roasted to tender perfection and topped with crispy homemade croutons and melted Gruyère cheese. This elegant side dish combines the sweetness of caramelized onions with the rich, nutty flavor of Gruyère.

6 servings

1 hr 30 min

Published October 4, 2025

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Ingredients

•12 whole white pearl onions, peeled
•12 whole red pearl onions, peeled
•8 whole large shallots, peeled, halved through root end
•6 whole large green onions, dark green tops trimmed
•2 whole medium sweet onions (such as Vidalia), peeled, cut into 3/4-to 1-inch wedges through root end
•1 whole large red onion, peeled, cut into 3/4-to 1-inch wedges through root end
•1 whole brown-skinned onion, peeled, cut into 3/4-to 1-inch wedges through root end
•3 tablespoons extra-virgin olive oil
•1 tablespoon fresh thyme leaves
•1 teaspoon coarse kosher salt
•½ teaspoon freshly ground black pepper
•3 cups coarsely torn 1/2-inch pieces rustic bread with crust
•1 cup low-salt chicken broth
•6 ounces Gruyère cheese, coarsely grated (about 1 1/2 cups packed)
•1 pinch Sea salt flakes or crystals

Cooking Instructions

1.
Preheat oven to 450°F. Combine all onions and shallots in large bowl. Drizzle evenly with olive oil, then sprinkle with thyme, coarse salt, and pepper; toss gently to coat. Spread out in single layer on large rimmed baking sheet.
10 min
2.
Roast onions until tender and beginning to brown in spots, 25 to 30 minutes. Scatter bread pieces on another rimmed baking sheet. Bake bread until golden brown, 7 to 8 minutes. Cool bread on baking sheet. Arrange onions in single layer in large casserole dish. DO AHEAD: Onions and croutons can be made up to 1 day ahead. Cover onions and refrigerate.
30 min
3.
Store croutons in airtight container at room temperature. Bring onions to room temperature before continuing.
30 min
4.
Preheat oven to 400°F. Spoon broth over onions to moisten. Scatter croutons over; sprinkle with cheese. Bake until heated through and cheese is melted, about 20 minutes. Sprinkle with sea salt flakes and serve.
20 min

Roasted Onions with Gruyère Croutons

6 servings

1 hr 30 min

Published October 4, 2025

Be the first to rate this recipe

Ingredients

•12 whole white pearl onions, peeled

•12 whole red pearl onions, peeled

•8 whole large shallots, peeled, halved through root end

•6 whole large green onions, dark green tops trimmed

•2 whole medium sweet onions (such as Vidalia), peeled, cut into 3/4-to 1-inch wedges through root end

•1 whole large red onion, peeled, cut into 3/4-to 1-inch wedges through root end

•1 whole brown-skinned onion, peeled, cut into 3/4-to 1-inch wedges through root end

•3 tablespoons extra-virgin olive oil

•1 tablespoon fresh thyme leaves

•1 teaspoon coarse kosher salt

•½ teaspoon freshly ground black pepper

•3 cups coarsely torn 1/2-inch pieces rustic bread with crust

•1 cup low-salt chicken broth

•6 ounces Gruyère cheese, coarsely grated (about 1 1/2 cups packed)

•1 pinch Sea salt flakes or crystals

Cooking Instructions

Preheat oven to 450°F. Combine all onions and shallots in large bowl. Drizzle evenly with olive oil, then sprinkle with thyme, coarse salt, and pepper; toss gently to coat. Spread out in single layer on large rimmed baking sheet.

10 min

Roast onions until tender and beginning to brown in spots, 25 to 30 minutes. Scatter bread pieces on another rimmed baking sheet. Bake bread until golden brown, 7 to 8 minutes. Cool bread on baking sheet. Arrange onions in single layer in large casserole dish. DO AHEAD: Onions and croutons can be made up to 1 day ahead. Cover onions and refrigerate.

30 min

Store croutons in airtight container at room temperature. Bring onions to room temperature before continuing.

30 min

Preheat oven to 400°F. Spoon broth over onions to moisten. Scatter croutons over; sprinkle with cheese. Bake until heated through and cheese is melted, about 20 minutes. Sprinkle with sea salt flakes and serve.

20 min