Ingredients

  • Three 14-ounce cans whole hearts of palm, drained
  • Kosher salt
  • 1/2 cup extra-virgin olive oil
  • 1 large yellow onion, 1/4-inch dice
  • 6 cloves garlic, minced
  • One 28-ounce can crushed tomatoes
  • One 14-ounce can diced tomatoes
  • Pinch crushed red pepper flakes
  • 1 1/2 teaspoons fish sauce, optional
  • 1 1/4 cups finely grated Parmesan (about 3 ounces)
  • Hand-torn fresh basil leaves, for garnish
  • 1 1/2 cups quick-cooking polenta, cooked according to the package directions, warm

Method

  • Preheat the oven to 425 degrees F with a rack set on the middle shelf.
  • Place the hearts of palm onto several layers of paper towels to absorb any excess liquid.
  • Season lightly with salt.
  • Heat 2 tablespoons of the oil in a large high-sided skillet over medium to medium-high heat until it just starts to shimmer.
  • Sear the hearts of palm until golden brown on both sides, 2 to 4 minutes total.
  • You may need to do this in two batches to avoid crowding the skillet.
  • Transfer to a baking sheet or large plate.
  • Discard the used oil and wipe out the skillet.
  • Add the remaining oil to the same skillet over medium-high heat.
  • Add the onions and 1/2 teaspoon salt and cook until softened and lightly browned, stirring occasionally, 6 to 8 minutes.
  • Add the garlic and cook until just softened, stirring constantly, about 1 minute.
  • Stir in the crushed tomatoes, diced tomatoes, red pepper flakes, 1/2 teaspoon salt and fish sauce if using.
  • Bring to a boil, and then reduce to a simmer.
  • Simmer, uncovered, for 15 minutes.
  • Season with additional salt if needed.
  • Carefully pour the sauce into a 13- by 9-inch baking dish.
  • Add the browned hearts of palm to the sauce in a single layer and sprinkle all over with the grated cheese.
  • Bake until the cheese is lightly golden brown, about 10 minutes.
  • Allow to sit at room temperature for 5 minutes before serving.
  • Top with the basil.
  • To serve, divide the warm polenta among 6 bowls and top with the hearts of palm and tomato sauce.