So it doesn't become folded into the dough. Which would make streaks in the finished bread.
because breads require flour to make it a bread.
what breads on the grocery shelf have NO bromide in the flour
Rye breads are made with a mixture of rye flour and wheat flour because rye flour by itself does not possess the chemical properties necessary to produce a leavened product
Gluten is developed in yeast breads when the flour is mixed with water.
Sourdough breads are still made from flour, water, yeast, and bacteria
a dough of flour and water
Wheat flour is higher in protein and gluten, making it better for baking breads and pastries that require structure. Oat flour is higher in fiber and has a slightly sweeter taste, making it a good option for healthier baked goods.
Dough is a thick mixture of flour and liquid, along with other ingredients, used for making breads, cakes, or pastries.
Cracked wheat breads are made from white flour and crushed wheat meal
Flour is a carbohydrate & needed for making breads or mostly baked goods. I don't consider it a staple today as many people live on low carb diets or gluten free lifestyles that don't require flour to survive.
Self-rising flour is used to make breads, so it would be in the Breads/Grains/Cereal section of the Pyramid.
Yes, bread flour will work in making doughnut, but you will want to be careful not to overwork the dough. Bread flour is higher in gluten than other types of flour, to give breads their typical chewy texture by kneading and working up the gluten. That chewiness would not be good in doughnuts, so handle the dough very gently.