I always recommend using unsalted butter in baked goods, because you can control the total amount of salt in the recipe. However, if you do not have unsalted butter, feel free to use salted butter, but omit any additional salt in the recipe.

To test your baking powder see if it is still good. Fill a small bowl with hot tap water. Add a teaspoon of baking powder. It should immediately begin to bubble vigorously. If it doesn't, or if the bubbles are weak, your baking powder probably won't cause your recipe to rise and should be replaced.

Extracts must contain the natural flavor. I prefer to make my own Vanilla so I know what I am using. Flavorings or imitation extracts may contain imitation or artificial flavors. (I personally avoid these)

You will need to aerate your flour. This can be done by stirring flour to add air before measuring and spoon into dry-cup measure. Level off with a straight edge, such as a knife.

Set your convection oven 25 degrees lower than what the recipe calls for. You will also need to reduce your baking time.

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