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The Best Southern Tomato Pie

A freshly baked Southern tomato pie with a golden crust, topped with sliced tomatoes, melted cheese, and fresh basil in a white pie dish.

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Southern Tomato Pie is a savory Southern classic featuring ripe tomatoes, sweet onions, herbs, mayo, and cheese baked in a flaky crust. It’s perfect for summer meals and showcases peak-season tomatoes in a rich and comforting dish.

Ingredients

Scale
  • 1 baked deep-dish 9-inch pie crust
  • 2 ½ lbs. fresh tomatoes, cut into ¼-inch thick slices (about 3 large)
  • 1 small Vidalia onion, thinly sliced
  • 1 cup grated Swiss cheese
  • 1 ½ cups grated sharp cheddar cheese, divided
  • ¾ cup mayonnaise
  • 1 large egg
  • 2 tablespoons chopped fresh basil
  • ¼ teaspoon ground black pepper
  • Kosher salt
  • 2 tablespoons Italian-seasoned bread crumbs
  • 1 tablespoon olive oil (for sautéing)

Instructions

  1. Preheat oven to 350°F.
  2. Line two baking sheets with paper towels and place tomato slices in a single layer. Sprinkle with salt and let sit for 30 minutes to draw out moisture. Pat dry with more paper towels.
  3. In a skillet over medium heat, add olive oil and sauté the onion until lightly browned, about 6 minutes. Set aside to cool completely.
  4. In a bowl, mix the cooled onions with Swiss cheese, 1 cup cheddar, mayonnaise, basil, pepper, egg, and ½ teaspoon salt.
  5. Spread half of the cheese mixture on the bottom of the pre-baked crust.
  6. Sprinkle with 1 tablespoon bread crumbs. Add half of the tomato slices.
  7. Repeat layers: remaining cheese mixture, remaining bread crumbs, and remaining tomatoes.
  8. Top with the remaining ½ cup cheddar cheese.
  9. Bake in the preheated oven for about 45 minutes or until the top is golden and bubbly.
  10. Allow to rest for 20 minutes before slicing and serving.

Notes

  • Blind bake your pie crust to avoid sogginess.
  • Use fresh, ripe tomatoes and be sure to drain them thoroughly.
  • Let the pie cool before slicing for clean cuts.
  • Optional: Add bacon, garlic, or Dijon mustard to the mayo mixture for extra flavor.
  • Do not freeze, as the texture of the pie does not hold up.

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