Heat the water in the microwave till 42 degrees (or according to the yeast package). Mix the yeast with the water. Add the psyllium and let sit for ten minutes until it’s “gel-like” consistency (skip this step if your flours contain psyllium)
Add maple syrup, salt, olive oil and stir
Add the flour and mix with a mixer for 2 minutes
Add the egg whites and mix again for 2 minutes
Scoop into a greased loaf pan
Let rise uncovered for about 30-45 minutes
Bake at 200 Celsius degrees (390 in Fahrenheit) for 35-45 minutes
Let cool in the pan for about 15 minutes, before transfering it to a wire rack to cool down completely
Store in an air-tight container in room temperature
