Gluten-Free Greek Quick Bread

Name: Gluten-Free Greek Quick Bread
Prep time: 15 min
Cook time: 50 min
Yield: 8
Cuisine: Mediterranean,Greek,
Ingredients: 1 1/2 cups (375 ml) potato starch; 1/2 cup (125 ml) rice flour (club house); 1 tsp (5 ml) xanthan gum; 2 tsp (10 ml) baking powder; 4 tbsp (60 ml) greek (club house); 1/2 tsp (2 ml) sea salt grinder (club house); 2 tbsp (30 ml) sugar; 1 cup (250 ml) milk; 1 large egg; 1/3 cup (75 ml) unsalted butter, melted; 1/2 cup (125 ml) sliced black olives, roughly chopped; 1/2 cup (125 ml) crumbled feta cheese