Why Adding Too Much Sugar Is A Huge Mistake When Baking A Cake - Tasting Table

"Sugar not only imparts a delicious taste to your baked goods, but it also impedes gluten structure in your cake. Adding too much sugar may cause it to fall apart."

"If your sponge is darker than the photos in the recipe, adding too much sugar might be the culprit. The leavening and crumb quality will also be affected."

Read at Tasting Table