01 - Whisk together flour, baking powder, baking soda, and salt in a medium bowl.
02 - In a large bowl, blend ricotta, milk, egg yolks, sugar, melted butter, lemon zest, lemon juice, and vanilla extract until smooth.
03 - Gently fold dry ingredients into the wet mixture until just combined, avoiding overmixing.
04 - Whisk egg whites in a separate clean bowl until soft peaks form.
05 - Carefully fold the beaten egg whites into the batter until fully incorporated and airy.
06 - Heat a nonstick skillet or griddle over medium heat and grease lightly with butter or oil.
07 - Pour approximately 1/4 cup batter per pancake onto skillet. Cook 2 to 3 minutes until bubbles appear and edges set, then flip and cook an additional 1 to 2 minutes until golden and cooked through.
08 - Present pancakes warm, topped with maple syrup, fresh berries, and powdered sugar as desired.