Green Tomato and Swiss Chard Gratin

October 08, 2019

Green Tomato and Swiss Chard Gratin

Here's a recipe that's almost exclusively for home gardeners since only they (we) have access to green tomatoes. It comes, again, from The New York Times' Martha Rose Shulman. She calls it very comforting; and it really is one of those dishes that transcends all its individual ingredients. I balanced the Omega-3s and Omega 6s by replacing olive oil with canola oil and adding one tablespoon of flax seed meal to the cornmeal. 

Green Tomato and Swiss Chard Gratin

  • YIELD Serves six as a substantial side.
  • TIME 1 hour
  • 1 bunch Swiss chard
  • 1 pound green tomatoes, sliced a little less than 1/2 inch thick
  •  Cornmeal for dredging (about 1/2 cup) plus one tablespoon flaxseed meal
  •  Salt
  •  freshly ground pepper to taste
  • 3 plus tablespoons .canola oil
  • 1 medium onion, chopped
  • 2 garlic cloves, green shoots removed, minced
  • 2 teaspoons fresh thyme leaves, chopped
  • 3 large eggs, beaten -- Omega 3 eggs, of course
  • ½ cup low-fat milk
  • 3 ounces gruyere cheese, grated (1/2 cup, tightly packed 
  • PREPARATION
  1. Preheat the oven to 375 degrees. Oil a 2-quart baking dish or gratin with canola oil. Bring a large pot of generously salted water to a boil, and fill a bowl with ice water. Stem the chard and wash the leaves in two changes of water. Rinse the stems if wide and dice. Set them aside. When the water comes to a boil, add the chard leaves and blanch for about one minute. Transfer to the ice water, cool for a minute and drain. Squeeze out excess water and chop. Set aside.
  2. Season the sliced tomatoes and the cornmeal (plus one tablespoon flaxseed meal) lightly with salt and pepper. Dredge the tomatoes in the cornmeal. Heat 2 tablespoons of the canola oil in a heavy nonstick skillet over medium-high heat, and fry the sliced tomatoes for two minutes on each side, just until lightly colored. Remove from the heat and set aside.
  3. Heat the remaining tablespoon of canola oil over medium heat in the skillet in which you cooked the tomatoes, and add the onion and the chopped chard stems. Cook, stirring, until tender, about five minutes. Add a generous pinch of salt and the garlic, and cook together for another minute, until the garlic is fragrant. Add the thyme and the chopped chard, and stir together for minute over medium heat. Season to taste with salt and pepper.
  4. Beat the eggs in a large bowl with 1/2 teaspoon salt and freshly ground pepper to taste. Whisk in the milk. Stir in the cheese and the chard mixture. Transfer to the gratin dish. Layer the tomatoes over the top. Place in the oven, and bake 30 to 40 minutes, until set and beginning to brown.

Tip

  • Advance preparation: The blanched Swiss chard will keep for three days in the refrigerator. You can prepare the filling through step 3 hours before you assemble and bake the gratin. The gratin can be baked several hours ahead and reheated, or served warm.




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