01 - In a large bowl, whisk together ricotta, egg yolks, milk, melted butter, lemon zest, lemon juice, and vanilla extract until smooth and fully incorporated.
02 - In a separate bowl, sift together flour, sugar, baking powder, baking soda, and salt to ensure even distribution of leavening agents.
03 - Gently fold the dry ingredients into the wet mixture until just combined, being careful not to overmix as this will result in dense pancakes.
04 - In a clean bowl, beat the egg whites with a hand mixer or whisk until soft peaks form, creating the structure for fluffy pancakes.
05 - Gently fold the beaten egg whites into the pancake batter using a spatula, preserving as much air as possible for maximum fluffiness.
06 - Heat a nonstick skillet or griddle over medium heat and lightly grease with butter or oil, ensuring even coverage for easy flipping.
07 - Pour 1/4 cup of batter per pancake onto the skillet. Cook for 2 to 3 minutes, or until bubbles form on the surface and edges appear set. Flip and cook for another 1 to 2 minutes until golden brown and cooked through.
08 - Serve pancakes warm, stacked, and topped with fresh berries, maple syrup, and a dusting of powdered sugar if desired.