01 - Preheat heart-shaped waffle iron according to manufacturer's instructions.
02 - In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
03 - In another bowl, beat eggs, then add milk, melted butter, and vanilla extract. Mix until well combined.
04 - Pour wet ingredients into dry ingredients and stir gently until just combined. Lumps are acceptable; avoid overmixing.
05 - Lightly grease preheated waffle iron with nonstick spray or melted butter.
06 - Pour approximately 1/2 cup batter into waffle iron depending on iron size. Cook according to manufacturer's instructions, typically 3-5 minutes until golden and crisp.
07 - Remove cooked waffles and keep warm. Repeat with remaining batter.
08 - Arrange warm waffles on serving plates. Top with fresh berries, dust with powdered sugar, drizzle with maple syrup, and add whipped cream if desired.