Gluten-Free Rolls (TM5/6 Metric)

Name: Gluten-Free Rolls (TM5/6 Metric)
Prep time: 5 min
Cook time: 1 h 20 min
Total time: 1 h 20 min
Yield: 4 pieces
Ingredients: 70 g long-grain white rice; 115 g quick cooking oats, gluten-free; 15 g psyllium husks; 2 tsp gluten-free baking powder; 1 tsp salt; 3 egg whites; 30 g apple cider vinegar; 170 g water; unsalted butter