Gluten-free Crusty White Bread

Name: Gluten-free Crusty White Bread
Prep time: 6 h 30 min
Cook time: 55 min
Total time: 7 h 25 min
Ingredients: 1 c millet flour; 1 c Chinese rice flour; 1/3 c sorghum flour; 2/3 c potato starch; 2 1/2 tsp xanthan gum; 1 1/2 tsp salt; 1 1/2 c warm water; 1 tsp sugar; 1 pkg rapid-rise yeast; Canola oil, as needed; 2 tsp cornmeal