Sourdough waffles that you can make with fresh, bubbly starter, OR your discard. They're soft and airy on the inside, crisp on the outside, and the tangy flavor the sourdough gives them cannot be beat! They're not overly sweet, so they're equally good for sweet or savory applications.Makes about 2 dozen waffles.
In the evening, combine the flour, starter, milk, yogurt, and sugar in a large bowl. Cover and let rise at room temperature overnight (about 12 hours).In the morning, whisk in the eggs, oil, salt, and baking soda. Preheat a waffle iron. Spray with baking spray as needed and cook waffle batter in batches until it has all been cooked. Cooked waffles can be kept warm on a baking dish in a 200-degree oven until ready to eat. Leftovers keep really well in an airtight container in the fridge for up to 5 days, or you can freeze them. Reheat in the toaster or in the oven.