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1
Place the ground beef into a medium mixing bowl.
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2
Add 1 teaspoon salt and 1/2 teaspoon of ground black pepper.
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3
Add a few dashes of Tabasco sauce.
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4
With your hands, mix the meat and seasoning well.
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5
Set aside.
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6
Next, for the onions, heat a medium skillet over low heat.
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7
Add in 2 tablespoons butter.
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8
Dump in the sliced (not too thick, not too thin) red onions.
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9
Now add 2 generous tablespoons brown sugar.
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10
Give it a toss to combine the ingredients, and then allow the onions to caramelize over low heat for about twenty minutes, tossing occasionally.
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11
While the onions are caramelizing, make the spicy mayo: Place 1/4 cup mayonnaise into a small bowl and simply add a few dashes of Tabasco.
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12
Stir together and test for taste.
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13
Next, slice the Kaiser rolls in half and spread each half with about 1/2 tablespoon of butter.
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14
Place them face down on a grill pan or skillet over medium heat.
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15
Lightly grill the rolls so theyll be tough enough to hold the spicy mayo.
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16
Let the rolls cool on a plate until you need them.
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17
Form the meat into two patties and place on a grill pan or skillet over medium to medium-low heat.
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18
Allow each to cook about 3 minutes, then using a spatula, rotate 45 degrees, leaving it on the same side.
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19
Flip the burger and cook it for a couple of minutes, rotating it 45 degrees again to get the nice grill marks.
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20
Now add a large helping of caramelized onions over top of that glorious patty, followed by an equally generous helping of crumbled blue cheese.
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21
As it finishes cooking, spread the spicy mayo on the Kaiser rolls and transfer the burger onto the bottom half of the bun.
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22
Top with a handful of greens and top with the bun.
