Always bake in the center of the oven. A pan placed too close to the bottom of the oven will receive more heat radiating from the oven floor, baking it faster from the bottom. The reverse is true of something baked on the top rack. Always bake in the center for the most even baking and browning all around.

Even though they have long shelf lives, chemical leaveners will lose potency over time. If the only box of baking soda you have around is the one that's been absorbing odors in your fridge for the last few years, it's probably a good idea to get a new box just for baking.

Always use liquid measuring cups to measure liquid and dry measuring cups to measure dry. Especially when measuring flour, accuracy is important, so using only dry measuring cups - or better yet, weighing on a scale - is key.

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