Grease a springform pan (the one with removable sides).
In a bowl, mix the crushed María cookies (they can be crushed in a food processor) with the melted butter.
With your fingers, press the María cookie mixture to form an even layer in the pan. Bake for 10 minutes until slightly golden.
Using an electric mixer on medium speed, beat the cream cheese and sugar until a smooth cream forms. Add the ricotta cheese and mix. Add the eggs one at a time, beating well after each addition.
Add the flour, lemon zest, and vanilla. Beat on low speed just until combined (overbeating can cause cracks in the cake when baking).
Pour the mixture over the cookie base in the pan and bake for 1 hour and 15 minutes.
Remove from the oven and let cool on a wire rack. Run a knife along the edges to separate it from the pan.
Allow the cake to cool completely, then cover it and refrigerate for at least 3 hours.
Serve cold.
Nutritional Information
* * Information per 100g serving, percentage of daily values based on a 2,000 calorie diet.
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