What are the three main ingredients in bread?

The three main ingredients in bread are:

1. Flour: This provides the structure and texture to the bread.

2. Yeast: This is a living organism that ferments the dough, producing carbon dioxide gas and creating the air pockets that make bread light and fluffy.

3. Water: This activates the yeast and hydrates the flour, forming gluten and allowing the dough to rise.

While these are the main ingredients, bread often contains other ingredients like salt, sugar, and fats, depending on the specific recipe.