Combine yeast, sugar, and water in a bowl. Leave to bloom for 10 minutes.
Combine the gluten-free flour, xanthan gum, and salt in a bowl.
Add the olive oil and active yeast mixture into the dry ingredients.
Knead the dough on a lightly floured surface.
Set the dough to rise in a lightly oiled bowl. Leave for an hour.
Press the dough onto a pizza pan.
Pre-bake the dough for 5 minutes at 425 F.
Toast the edges of the crust with a kitchen torch.
Top the pizza.
Bake for 10 minutes at 425F.