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1
Peel and slice the onions into about 3/4-inch wide slices.
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2
Separate the slices of onion into rings.
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3
In a large bowl with a flat bottom or a casserole dish, add the buttermilk.
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4
Add the onion rings into the buttermilk.
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5
Next, add the hot sauce (or Tabasco sauce), a dash of salt and the black pepper.
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6
Mix the onions into the buttermilk so that the onion rings are evenly coated with the mixture.
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7
Add the pastry flour and the cayenne pepper to a medium size bowl and stir together.
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8
Then add the panko bread crumbs to a similar size bowl.
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9
Mix up the onion rings again in the buttermilk mixture.
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10
Add the onion rings one at a time into the flour bowl and cover the onion completely with the flour.
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11
Then dip the floured onion rings (one at a time) back into the buttermilk mixture.
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12
Next, dip each one into the panko bread crumbs covering each ring completely with the crumbs.
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13
Set the coated rings on a plate and repeat coating all of them.
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14
Heat a large skillet on medium heat and add the oil.
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15
To see if the oil is hot enough, take a pinch of flour and sprinkle it in the skillet.
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16
If it starts to bubble then the oil should be ready.
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17
If not, continue heating it until it does.
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18
Add the breaded onion rings to the hot oil (about 4 or 5 at a time).
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19
When the bottom side of the onion ring turns a golden color, use a cooking fork to turn the onion ring over to the other side.
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20
When both sides of the onion rings turn a golden color, remove them from the oil onto a paper towel while cooking the remaining rings.
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21
Salt the onion rings to taste.
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22
Serve with ketchup or your favorite dipping sauce.