In a medium-sized bowl, whisk together the flour, baking powder, baking soda, sugar, and salt.
In a small bowl, mix together the egg, milk, sour cream, oil, and vanilla.
Pour the wet ingredients into the dry ingredients and whisk until the flour streaks disappear.
Grease the waffle maker with butter or cooking spray, pour ~½ the batter into the waffle maker, and cook until golden.
Serve with your favorite toppings!
Notes
Servings: Depending on waffle maker size, the number of waffles may vary.Keep Warm: If you're doubling or tripling the recipe, I recommend keeping the waffles in a warm oven while the rest of the batter cooks.Storage: Store in an airtight container at room temperature for 1-2 days, in the refrigerator for 3 days, or in the freezer for 1 month. Reheat in the microwave or toaster.Nutrition: The provided nutrition information is an estimate, the calorie accuracy is not guaranteed.