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1
In a large bowl combine, beef, pumpkin, garlic powder, cinnamon, allspice, cayenne pepper, salt and pepper.
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2
Form hamburger patties and set aside.
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3
Preheat a skillet to medium-high heat and add the olive oil.
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4
Place hamburger patties into the skillet and cook for 5 minutes on the first side.
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5
Flip and cook an additional 4 minutes, placing cheese slices on top of each patties during the last minute allow it to melt.
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6
Once cheese has melted and burgers are cooked, remove from skillet and set aside on a plate.
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7
In another skillet preheated to medium heat, add 3 tablespoons unsalted butter.
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8
Add onion slices, salt and pepper to the skillet.
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9
Saute until soft and golden brown, about 1520 minutes.
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10
Make sure to stir often to keep the onions from burning.
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11
Remove from skillet and set aside when done.
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12
In another skillet preheated to medium-high heat, add remaining butter to the skillet.
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13
Add sage leaves and fry them in the butter until crispy, about 3 minutes.
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14
Remove sage leaves with a slotted spoon and set aside.
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15
To assemble, place burger patty on a bottom bun.
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16
Top patty with caramelized onion and the top bun.
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17
Using a toothpick, place 2 fried sage leaves on top of the bun to make sure they stay in place.
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18
Serve immediately.
