Filling
1 pound ricotta, drained
1 cup confectioners' sugar
1/2 cup chopped walnuts, toasted
1/3 cup semisweet chocolate chips
1 teaspoon orange peel, grated
1/2 teaspoon lime peel, grated

Pur? ricotta and sugar in processor until smooth. Transfer to large bowl. Mix in next 4 ingredients. Cover and refrigerate until well chilled. (Can be prepared 1 day ahead.) Bring filling to room temperature before using.

Dough
1 cup flour
1 teaspoon baking powder
1 teaspoon confectioners' sugar
1 pinch salt
1/3 cup beer
1 tablespoon unsalted butter, softened
1 egg, slightly beaten
1 teaspoon vanilla extract
Oil (for deep frying)

Combine flour, baking powder, sugar and pinch of salt in large bowl. Make well in center. Add beer, butter, half of egg (reserve remainder for another use), and vanilla extract to well. Gradually draw flour from edge of well into center until all flour is incorporated. Knead dough on lightly floured surface until smooth. Cover and let stand 1 hour.

Roll out dough into 12-inch square. Cut into nine 4-inch squares. Wrap 1 square around each cannoli form, brushing edges with water and pressing gently to seal.

Heat oil in deep fryer or heavy large skillet to 350 degrees F. Add cannoli in batches and cook until golden brown, turning occasionally, about 4 minutes.

Drain on paper towels. Remove shells from cannoli forms. Cool. Spoon filling into pastry bag without tip. Pipe filling into cannoli shells.