Here are a few issues that bakers commonly face:
Hollow Shells: Hollow macaron shells occur when the interior of the macaron does not properly develop. This can be caused by overmixing the batter or not allowing the macarons to rest before baking. It is crucial to find the right balance between mixing the batter enough to achieve the right consistency and not overdoing it.
Cracked Tops: Cracked macaron tops can be a result of several factors. Overmixing the batter can cause the macarons to crack while baking. Uneven heat distribution in the oven or rapid temperature changes can also lead to cracking. Ensure that you use an oven thermometer to monitor the temperature and allow the macarons to dry adequately before baking.
Lopsided or Misshapen Macarons: Uneven piping or improper resting can result in macarons that are misshapen or lopsided. It is essential to pipe the batter evenly onto the baking sheet and allow them to rest until a skin forms on the surface. This helps them maintain their shape while baking.
Flat or Spread-Out Macarons: If your macarons spread too much and become flat during baking, it could be due to several factors. Overmixing the batter can make it too runny, causing the macarons to spread. Additionally, using a baking sheet that is not thick or insulated enough can lead to excessive spreading. Ensure you follow a reliable recipe and use the correct baking equipment.
Stuck to the Baking Paper: Macarons sticking to the baking paper or silicone mat can be frustrating. This issue can arise if the macarons are under-baked or not cooled completely before attempting to remove them. Let the macarons cool completely on the baking sheet before gently peeling them off.
Uneven Feet: The "feet" are the distinctive ruffled edges on the bottom of a macaron. If your macarons have uneven feet, it may be due to improper resting or inadequate drying time before baking. Ensure that you allow the piped macarons to rest until a skin forms on the surface and they are dry to the touch.
Remember, macarons can be finicky, and slight variations in ingredients, measurements, or techniques can affect the outcome. It's important to practice, make adjustments, and learn from each baking experience to improve your macaron-making skills.