Put the cornmeal, flour,1 teaspoon of the salt & 1 teaspoon of the home made Baking Powder in a mixing bowl and stir well with a whisk to blend.
In a separate bowl, whisk together the egg and water and stir into the dry ingredients, mixing only until moistened.
Sprinkle the remaining 1/2 teaspoon salt and the pepper over the onion and sliced okra and toss lightly.
Fold the okra & onion into the batter.
Pour 1 inch of oil into heavy skillet and heat to 340-350 degrees; Spoon the okra batter by heaping tablespoons into hot oil, fry until golden brown on one side and turn and continue until both sides are browned and the fritters are cooked through; remove from skillet to paper towel to drain.
Serve & enjoy.
For homemade baking powder: sift the 2 ingredients together 3 times and transfer to a clean tight-sealing jar; store at room temperature for up to 6 weeks.