1 cup loosely packed fresh basil leaves
1/2 cup mayonnaise
1 tablespoon fresh lemon juice
1/2 teaspoon Dijon mustard
Kosher salt and freshly cracked black pepper
16 (1/8-inch thick) slices pancetta
8 slices country sandwich bread
1 cup loosely packed arugula
Kosher salt and freshly cracked black pepper
1 cup rice flour, divided
1 large egg
1/4 cup buttermilk
1/2 teaspoon baking powder
1/4 teaspoon baking soda
1/2 cup cornmeal
Kosher salt
Pinch cayenne pepper
8 slices green tomato, 3/4 to 1-inch thick (about 2 medium green tomatoes)
Vegetable oil, for frying