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Classic French Tomato Mustard Tart

  • 2 pounds heirloom or beefsteak tomatoes
  • 2 teaspoons kosher salt
  • 1 sheet frozen puff pastry, thawed
  • 2 tablespoons True’s Gourmet Mustard
  • 2 cups grated ComtĂ© or Gruyere cheese, divided
  • 2 tablespoons dry bread crumbs
  • 2 tablespoons dried Herbs de Provence
  • Salt and freshly ground black pepper, to taste
  • Fresh thyme sprigs
  1. Slice tomatoes, salt both sides, and let drain on a cooling rack for 1 hour.
  2. Preheat oven to 425°F and position a rack in the middle.
  3. Butter and flour a 10-inch tart pan. Fit in the puff pastry, trimming edges. Prick with a fork.
  4. Spread True’s Mustard over the base, then top with 1½ cups cheese and breadcrumbs.
  5. Layer tomatoes in an even, overlapping pattern, sprinkling with herbes de Provence. Repeat until all tomatoes are used. Season with salt, pepper, more herbes de Provence, and the remaining ½ cup cheese.
  6. Bake 35–40 minutes, until crust is golden. Serve warm or at room temp, garnished with thyme.