Break the 8 ounces almond paste into smaller pieces into a large food processor. Add the 1/2 cup plus 1 tablespoon sugar. Pulse until it becomes a paste and sugar starts to dissolve, about 2 minutes.
Add the 1/2 teaspoon vanilla extract, 1/4 teaspoon fine sea salt and 1 egg. Pulse until it becomes a dough.
Turn it out onto a piece of plastic wrap and form into a loose roll. The dough will be soft. Chill for at least 4 hours, but up to 3 days.
Preheat the oven to 350°F and line an insulated baking sheet with parchment paper. Place the 2/3 cups pine nuts in a bowl.
Spoon out 1 tablespoon of dough and roll it in the pine nuts. They don't need to be fully covered. Continue with the rest of the cookie dough, placing about 2 inches apart.
Bake for 16-18 minutes or until the edges are light brown. Centers might be soft and shiny, this is normal. Remove and allow to cool fully.
Dust the tops with 2 tablespoons powdered sugar.
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Notes
Storage: You can store these pignoli cookies in an airtight at room temperature for 3–4 days.Freezing: You can also freeze baked cookies up to 2 months with parchment between layers.