- 2 cups pine nuts
- 1¼ cups sugar
- 1 pound (4 sticks) butter, cut into ½-inch cubes, at room temperature
- Zest and juice of 2 lemons
- 4 cups all-purpose flour
- 2 tablespoons baking powder
- 4 whole eggs
- ¾ cup yogurt
- 4 large egg whites
- ½ cup sugar
- To prepare the cake batter:
- To prepare the cake batter: