1In a large bowl. combine dry ingredients. Add the buttermilk, eggs and 2 Tablespoons oil and stir well to combine. Fold in onions, bacon and cheese. When batter is well mixed pour into a quart canning jar to within 1 inch of top. Or use a tall glass.
In an electric fryer or large pot, heat enough oil to come halfway up the fryer or pot and heat to 360^. Pat dry and roll hot dogs in cornstarch shake off any excess. One at a time, while holding the skewers, dip the skewed hot dogs into the batter, turning to completely and thickly coat on all sides. Slip the coated dogs in batches into the hot oil and cook turning, until golden brown on all sides, 3 to 5 minutes. Drain on paper towels and place on wire rack and sprinkle with seasoned salt. Pass the dipping sauces.
2Makes great appetizers using little smokies instead of the hot dogs..