Gf Melody's Brown And White Bread

• 3 1/2 xanthan gum
• 2 eggs
• 1 1/2 loaf
• 1 packet
• 425 ml warm water
• 325 gr nonfat dry milk powder
• 280 gr quantities
• 250 gr rice flour (white)
• 130 gr brown rice flour
• 55 gr butter