Sardine and Swiss Chard Gratin

In this French casserole, oil-packed canned sardines are layered with creamy Swiss chard and baked under a crunchy layer of bread crumbs. This recipe first appeared in our April 2014 issue with Mary Sue Milliken's story Forgotten Fish.

  • Serves

    serves 6-8

Ingredients

  • 1 12 lb. Swiss chard, stemmed, leaves torn into 2″ pieces
  • 2 tbsp. olive oil, plus more
  • 8 cloves garlic, thinly sliced
  • 2 shallots, thinly sliced
  • 12 cup flour
  • 2 12 cups milk
  • 1 cup heavy cream
  • 1 cup shredded Gruyère
  • 14 tsp. freshly grated nutmeg
  • 3 eggs, beaten
  • 2 (4-oz.) cans sardine fillets packed in oil, drained
  • 12 cup panko bread crumbs

Instructions

Step 1

Cook chard in salted boiling water until wilted, 1–2 minutes. Drain, let cool, and squeeze dry. Heat 4 tbsp. butter plus oil in a 4-qt. saucepan over medium-high heat. Cook garlic and shallots until golden, 5–7 minutes. Add flour; cook 2 minutes. Whisk in milk, cream, salt, and pepper; boil until thick, 2–3 minutes. Stir in chard, half the Gruyère, the nutmeg, and eggs.

Step 2

Heat oven to 400°; grease an 8″ x 11″ baking dish with oil. Spread half the chard mixture into dish; top with half the sardines. Repeat layering. Stir melted butter and bread crumbs in a bowl; sprinkle over top with remaining Gruyère. Bake until golden and bubbly, about 30 minutes.
  1. Cook chard in salted boiling water until wilted, 1–2 minutes. Drain, let cool, and squeeze dry. Heat 4 tbsp. butter plus oil in a 4-qt. saucepan over medium-high heat. Cook garlic and shallots until golden, 5–7 minutes. Add flour; cook 2 minutes. Whisk in milk, cream, salt, and pepper; boil until thick, 2–3 minutes. Stir in chard, half the Gruyère, the nutmeg, and eggs.
  2. Heat oven to 400°; grease an 8″ x 11″ baking dish with oil. Spread half the chard mixture into dish; top with half the sardines. Repeat layering. Stir melted butter and bread crumbs in a bowl; sprinkle over top with remaining Gruyère. Bake until golden and bubbly, about 30 minutes.
Recipes

Sardine and Swiss Chard Gratin

  • Serves

    serves 6-8

Sardine and Swiss Chard Gratin
INGALLS PHOTOGRAPHY

In this French casserole, oil-packed canned sardines are layered with creamy Swiss chard and baked under a crunchy layer of bread crumbs. This recipe first appeared in our April 2014 issue with Mary Sue Milliken's story Forgotten Fish.

Ingredients

  • 1 12 lb. Swiss chard, stemmed, leaves torn into 2″ pieces
  • 2 tbsp. olive oil, plus more
  • 8 cloves garlic, thinly sliced
  • 2 shallots, thinly sliced
  • 12 cup flour
  • 2 12 cups milk
  • 1 cup heavy cream
  • 1 cup shredded Gruyère
  • 14 tsp. freshly grated nutmeg
  • 3 eggs, beaten
  • 2 (4-oz.) cans sardine fillets packed in oil, drained
  • 12 cup panko bread crumbs

Instructions

Step 1

Cook chard in salted boiling water until wilted, 1–2 minutes. Drain, let cool, and squeeze dry. Heat 4 tbsp. butter plus oil in a 4-qt. saucepan over medium-high heat. Cook garlic and shallots until golden, 5–7 minutes. Add flour; cook 2 minutes. Whisk in milk, cream, salt, and pepper; boil until thick, 2–3 minutes. Stir in chard, half the Gruyère, the nutmeg, and eggs.

Step 2

Heat oven to 400°; grease an 8″ x 11″ baking dish with oil. Spread half the chard mixture into dish; top with half the sardines. Repeat layering. Stir melted butter and bread crumbs in a bowl; sprinkle over top with remaining Gruyère. Bake until golden and bubbly, about 30 minutes.
  1. Cook chard in salted boiling water until wilted, 1–2 minutes. Drain, let cool, and squeeze dry. Heat 4 tbsp. butter plus oil in a 4-qt. saucepan over medium-high heat. Cook garlic and shallots until golden, 5–7 minutes. Add flour; cook 2 minutes. Whisk in milk, cream, salt, and pepper; boil until thick, 2–3 minutes. Stir in chard, half the Gruyère, the nutmeg, and eggs.
  2. Heat oven to 400°; grease an 8″ x 11″ baking dish with oil. Spread half the chard mixture into dish; top with half the sardines. Repeat layering. Stir melted butter and bread crumbs in a bowl; sprinkle over top with remaining Gruyère. Bake until golden and bubbly, about 30 minutes.

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