Savory Gluten Free Zucchini Bread

all purpose gluten free flour

 teaspoons xanthan gum (omit if your blend already contains it)

tablespoon baking powder

kosher salt

Parmigiano-Reggiano cheese, finely grated

sharp white cheddar cheese, grated

 ounces grated zucchini (from about 1 medium zucchini)

neutral oil (like canola, vegetable or grapeseed)

eggs (150 g, weighed out of shell) at room temperature, beaten

plain whole milk yogurt, at room temperature