Step 1

Make the cornmeal crust: Combine the cornmeal, flour and salt in a food processor and pulse until combined. Add the shortening and pulse until the mixture resembles small peas. Add the cold water, 1 tablespoon at a time, and pulse just until the mixture comes together and forms a dough. Shape the dough into a disc, then wrap with plastic and refrigerate for 30 minutes.

Step 2

For the filling: Meanwhile, arrange the tomatoes in a single layer on paper towel-lined baking sheets. Sprinkle with 1/2 teaspoon salt. Let stand for 30 minutes to allow the water from the tomatoes to release, then pat the tomatoes dry with paper towels.

Step 3

Preheat the oven to 400 degrees F.

Step 4

Roll out the dough out to an 11-inch circle and fit into a 9-inch deep-dish pie plate. Fold the edges under and crimp the edges. Fill the pie crust with parchment paper and pie weights or dried beans. Bake on the bottom rack until the crust is browned and crisp, 20 to 25 minutes. Remove from the oven, carefully lift out the parchment and weights and let cool. Reduce the oven temperature to 350 degrees F.

Step 5

Sprinkle the tomatoes with the House Seasoning. Layer a third of the tomatoes on the bottom of the crust and sprinkle with a third of the herbs. Top with half of the onion, half of the ham and 1/3 cup Pimiento Cheese. Repeat the layers once. Top with the remaining tomatoes, herbs and remaining 1/3 cup Pimiento Cheese. Bake on the bottom rack until the pie is golden brown and bubbly, about 30 minutes. Let stand 20 minutes before slicing. Garnish with more fresh herbs, if desired.

Step 6

Stir together the garlic and onion powders, paprika, salt and pepper in a small bowl. Store in an airtight container.

Step 7

Add the Cheddars, cream cheese, pimientos and mayo to a bowl and mix together. Add the chives, garlic powder, cayenne, smoked paprika and salt and pepper and mix until thoroughly combined.