Overnight waffles (also known as raised or yeasted waffles) are very old-school. They do require advanced planning, but they are the crispiest, tastiest waffles on the planet. They are very light and airy because they contain yeast—the magic ingredient that makes bread rise. Make the batter before bed (or even earlier in the day). When you wake up the next morning, all you have to do is heat the waffle iron, pour in the batter, and enjoy. To make breakfast or brunch extra special for Mother’s Day, set up a toppings bar with a few different offerings, such as maple syrup, honey, cinnamon sugar, confectioners’ sugar, whipped cream, berries, and softened butter. You can freeze any leftover waffles for one month. Stack cooled waffles with parchment or wax paper between them and put the stack of waffles in a zipper-lock bag. Heat waffles one at a time in a toaster …