Ricotta cake
Instructions
Dissolve in 1 Bowl the ricotta with the juice and lemon zest; work the egg yolks with the sugar and mix in the ricotta.
Sift together flour and baking powder and combine them to spoons to the egg mixture and ricotta.
Finally, mount the egg whites with 1 pinch of salt and mix the mixture too.
Turn on the oven to 180 degrees.
Pour mixture into buttered and floured Tin and bake for 1 hour.
Let stand for 5 minutes donut, sformarla and cool.