Instructions: 1. Preheat oven to 375 degrees F. Lightly butter two 4-cup souffle dishes or baking dishes. Dust sides and bottom with nuts.

2. In a medium bowl whisk together egg yolks, buttermilk, lemon juice, and vanilla. Sift together flour, sugar, salt, and baking powder. Add to egg yolk mixture, along with 1 tablespoon lemon peel. Beat egg whites with cream of tartar until stiff but not dry. Fold into egg yolk mixture. Pour batter into prepared dishes and place dishes in a large roasting pan. Place pan in oven. Add boiling water to pan to come halfway up sides of baking dishes. Bake 20 minutes, then reduce heat to 350 degrees F and bake until well browned and firm to the touch (20 to 25 minutes longer).

3. Serve at room temperature or chilled. Fold 1 teaspoon lemon peel into whipped cream (if used) and serve alongside.

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