01 - Preheat the waffle iron following the manufacturer's instructions.
02 - In a large bowl, whisk flour, sugar, baking powder, and salt until evenly blended.
03 - In a separate bowl, beat eggs then add milk, melted butter, and vanilla extract; whisk until fully incorporated.
04 - Pour wet ingredients into the dry mixture and stir gently until just combined, allowing a few lumps to remain.
05 - Fold in mini chocolate chips or berries if using.
06 - Lightly grease the preheated waffle iron with butter or nonstick spray.
07 - Pour approximately 1/2 to 3/4 cup batter onto the waffle iron, close lid, and cook for 3 to 5 minutes until golden and crisp.
08 - Remove waffles carefully and serve immediately with preferred toppings such as maple syrup, fresh fruit, or whipped cream.