Grind 1.5 cups (~180g, ~6.3oz) organic quinoa grain in KoMo XL Plus at 2 clicks from finest, in 1/2 cup batches, ~3–4 min total, double-grind for ultra-fine texture.
Grind 0.5 cup (~60g, ~2.1oz) organic millet grain in KoMo XL Plus at 1 click from finest, ~1 min total, double-grind for ultra-fine texture.
Cook, peel, and mash 0.5 cup (~120g, ~4.2oz) organic sweet potato (~5 min).
Mix 1.5 tbsp (~13.5g) psyllium husk with 0.5 cup (~120ml) water, rest 5 min to form gel.
Proof yeast: Mix 2 tsp (~6g) yeast with 1/4 cup (~60ml) warm water (105–110°F) and 1 tsp (~7g) honey; rest 5–10 min until foamy.
Combine 1.5 cups quinoa flour, 0.5 cup millet flour, 1 tsp (~6g) sea salt in KitchenAid bowl (~2 min).
Add psyllium gel (0.5 cup- 120g), sweet potato, proofed yeast, 1 tbsp (~14g) honey, 3 tbsp (~40g) olive oil, remaining 0.5 cup (~120ml) water; adjust for sticky dough (~3 min).
Knead in KitchenAid on speed 2 for 3 min.
Rise in warm spot (~80°F) for 1 hr until doubled.
Shape into 1-lb loaf, score crosshatch, brush with 1 tbsp olive oil, place in parchment-lined 8.5 x 4.5-inch aluminum pan (~5 min).
Preheat oven to 450°F with metal pan on bottom rack, 30 min.
Bake with 1 cup (~8 cubes) ice in metal pan for steam, 7 min; remove steam pan, bake 20–23 min until golden (~200°F internal).
Cool on rack 30 min.