Line a cookie sheet with foil, parchment paper, or heavy brown paper
Place pine nuts in a shallow dish
In a medium size bowl beat almond paste, sugar, egg whites, and lemon peel with electric mixer until smooth.
Only mix until coarse, otherwise it is too difficult to work with
With slightly wet hands, form dough into 1 inch balls, using a heaping teaspoon for each
Press balls into pine nuts, flattening balls slightly and coating one side