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1
Preheat the oven to 450 F.
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2
To prepare the crust, place rice flour, instant yeast, sugar, cornstarch, tapioca flour, xanthan gum, and 1/2 cup of milk in a food processor and pulse a few times.
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3
Add sea salt, olive oil, and vinegar into the mixture and run the food processor to low setting.
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4
With the processor running, add the rest of milk.
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5
Add additional tablespoons of flour, one at a time until it forms a dough.
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6
On a lightly oiled surface with some flour sprinkled over it, knead the dough lightly a few times with the palms of your hands.
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7
Leave the dough covered in a bowl or storage/freezer bag (closed) and set aside.
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8
Meanwhile, heat a saute pan with olive oil, butter, and garlic over high heat.
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9
Once the butter melts add onion and reduce the heat to medium.
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Saute until onion is golden, 15-20 minutes.
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11
Lightly oil a pizza pan.
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12
Place the dough on the pan.
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13
Press the dough to shape.
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14
Sprinkle additional flour on the dough surface if its sticking to your fingers/hands.
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15
Continue to shape until the dough becomes about 12 inch round.
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16
Pre-bake the dough at 450 F for about 12 minutes.
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Then remove it from the oven.
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18
Place caramelized onions, prosciutto, and cheese on the pre-baked pizza dough and bake again at 450 F for another 12-15 minutes or until cheese is melted.
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Remove from oven and cool slightly before serving.
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20
Side notes: You can use a regular pizza dough or even bread with this topping and still enjoy the same flavor.
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Adapted from myrecipes.com, The Works pizza.