Spanish Almond Cake (Tarta de Santiago Recipe)

Name: Spanish Almond Cake (Tarta de Santiago Recipe)
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Spanish
Ingredients: 2 cups blanched almonds (toasted if desired); 1 1/4 cups granulated sugar; 5 large eggs; lemon zest (from half a lemon); 1 teaspoon ground cinnamon; 1 tablespoon orujo (Galician grape liquor) (or vodka, Cointreau, Amaretto, Grappa, vanilla or almond extract); powdered sugar (for dusting); fresh fruit (optional)