Pat okra dry with paper towels. Place buttermilk in a shallow bowl. In another shallow bowl, combine the flour, cornmeal, salt, seasoning blend and pepper. Dip okra in buttermilk, then roll in cornmeal mixture., In an electric skillet or deep-fat fryer, heat 1 in. of oil to 375°. Fry okra, a few pieces at a time, for 1-1/2 to 2-1/2 minutes on each side or until golden brown. Drain on paper towels. Season with additional salt and pepper if desired.