INGREDIENTS
•
Unsalted butter, for greasing cake pan
•
3 pounds whole-milk ricotta
•
1 cup sugar
•
4 large eggs, separated
•
Finely grated zest of 1 large lemon
•
1 teaspoon pure vanilla extract
•
1 tablespoon Strega liqueur (Cointreau or Triple Sec may be substituted) -