Melt the butter
Wash, dry, zest and juice the lemon. You should have 3 tablespoons of lemon juice
In a large bowl combine ricotta, milk, lemon juice, lemon zest, eggs, vanilla and sugar. Stir to combine until mostly smooth.
Sift together the flour, baking powder, baking soda and salt and stir them into the wet ingredients
Stir in the butter
Heat your griddle or pan and cook the pancakes for 2-3 minutes per side
Hold the cooked pancakes in a warm (about 170 degrees) oven until all of the pancakes are finished