Substitute almonds for wheat flour?

This woman uses almonds instead of wheat flour.

Pecan Shortbread Cookies

• 2 ½ cups blanched almond flour
• ¼ teaspoon celtic sea salt
• ¼ teaspoon baking soda
• 1 cup pecans, toasted and chopped
• 5 tablespoons agave nectar or honey
• ½ cup salted butter, melted or vegan shortening, melted
• 1 tablespoon vanilla extract

1. In a large bowl combine almond flour, salt, baking soda and pecans
2. In a smaller bowl, mix together agave, butter and vanilla
3. Mix wet ingredients into dry
4. Place dough in the center of a large piece of parchment paper and form into a large log approximately 2½ inches in diameter
5. Place in freezer for one hour, until firm, unwrap and cut into ⅛ inch thick slices
6. Place slices on a parchment lined baking sheet
7. Bake at 350° until lightly golden, 7-10 minutes
8. Cool and serve

Makes 24 cookies

Her tart dough does include eggs however.  She has a few cookbooks out. Paleo (a term she uses) stands for Paleolithic.