Baker???s Secrets: Hand method for great muffins. This method lends itself to a tender, moist muffin. Pour Muffin & Quick Bread Mix-up into medium-size mixing bowl. With back of mixing spoon, make a well in center of mix. Pour milk, egg, cooking oil and vanilla into bowl. Stir the wet ingredients together in well to combine and then stir in dry ingredients just to moisten. Warning: Muffin batter that is over-mixed may cause muffins to have air-pockets and be dry and tough.