Certain recipes (for example, corn bread, buttermilk biscuits) caution against overmixing: you're supposed to add the wet ingredients to the dry with a minimum of agitation. Why? And, is this ...
In muffin recipes, the instructions often say to stir the mixture till "just combined". Why does over-stirring the muffin mixture result in tough muffins? And how do you know if you did too much ...