Combine dates, walnuts, oil, baking soda, and salt in a medium bowl. Pour in boiling water. Set aside for 20 minutes.
Meanwhile, combine amaranth, sorghum, and tapioca flours in a large bowl. Whisk in sugar and xanthan gum. Set aside.
Whisk eggs and vanilla in another medium bowl until combined. Stir in date mixture. Add date-egg mixture to flour mixture in large bowl. Stir until combined.
Pour batter evenly into muffin cups. Let sit for 30 minutes. Preheat oven to 350°.
Bake muffins for 18 to 20 minutes, or until firm to the touch. Remove muffins from pan and allow them to cool on a rack.
Nutrition Info
1 muffin: 242 Calories, 4 g Protein, 46 g Carbohydrates, 3 g Fiber, 6 g Total fat (1 g sat), 221 mg Sodium, ★ Magnesium, Phosphorus