INGREDIENTS
1/2 tsp
kosher salt
1/2 tsp
sugar
1 1/4 cups
all-purpose flour, plus more for surface
1/2 cup
cold unsalted butter, cut into cubes
3
large heirloom tomatoes (about 2 pounds), sliced 1/4" thick
3/4 tsp
kosher salt, divided
All-purpose flour (for surface)
1 cup
finely chopped Vidalia onion (about 1/2 medium onion)
1/2 tbsp
unsalted butter
1 1/2 cups
grated sharp cheddar (about 4 ounces)
1/2 cup
mayonnaise (preferably Duke's)
1/4 cup
coarsely chopped fresh herbs, such as basil, oregano, parsley, and/or thyme
1 tsp
mild hot sauce
1/2 tsp
freshly ground black pepper
1
9" pie pan