Hi Valentijn,
I couldn't help but notice that book had a lot of negative reviews...mostly problems with cooking times, breads coming out like hard bricks. I also wonder, if they're vegan, what kind of oils they use?
Her oven was malfunctioning when she wrote the book, so most of the cooking times are off. But for use with a breadmaker, you don't need cooking times anyhow
There's also an "errata" file on her site with the corrections. The oil used is olive oil, which works fine, though I usually substitute the water+oil with a can of high-fat coconut milk+less oil.
I'm guessing that's why you have made your own alterations? I'd kill for a decent alternative to brown rice bread (the arsenic thing is an issue with me), and the millet sounds like a possible alternative. Of course a bread-making machine would be nice too (as would a winning lotto ticket).
I don't suppose you have a recipe you could post?
My favorite recipe is from the book, so it's copyrighted. But with my alterations it generally looks like:
2 tbsp chia seeds soaked in 0.5 cups water (replaces the role of eggs) for 20 minutes. Stir a couple times so all seeds are nice and wet and can make a nice gel.
Mix together in a bowl:
2 cups of three different flours (0.5-1.0 cups each)
1.5 cups of two starches (0.5-1.0 cups each)
1 heaping tsp active dry yeast
1 tsp salt
1 tsp xanthum gum
Then I scrape the top off a can of high-fat coconut milk, and melt the oil part for 20 seconds in the microwave.
Mix together in a bowl (or directly into the bread pan of a bread-making machine):
The milk and melted oil from a can of coconut milk
5(?) tbsp of maple syrup (or normal sugar mixed in with the dry ingredients)
1-2 tbsp olive oil
the chia seed gel
Then mix in the dry ingredients - might require some kneading action.
Throw the dough in/on your bread pan and let it rise 45 minutes.
Bake for 50 minutes, at 375F degrees (190C).
When it comes to flours, I like millet a lot for a "normal" bread, as well as rice, and either buckwheat or quinoa. I don't think the starches matter too much, though tapioca is supposed to be good for texture and/or crust. The other starch I use a lot is arrowroot, which is harder to get. Potato starch might work just as well though.
Regarding sugar/syrup and yeast. The book says to use a LOT more yeast, but that always results in my breads collapsing. Yesterday I made a Frisian sugar bread, with my normal amount of yeast, and got some really nice rising action. Most recipes say to use less sugar than I have listed above, but it seems to help a lot with rising, so I think a bit more is better.