Preheat Oven: Preheat oven to 325°F (163°C). Line two baking sheets with silicone mats or parchment paper.
Toast Pecans: Spread pecans on a baking sheet and toast for 8–10 minutes until fragrant. Cool completely.
Grind Pecans: Pulse cooled pecans in a food processor until fine (but not a paste).
Cream Butter and Sweeteners: In a large bowl, beat softened butter with Swerve Brown and Granular until light and fluffy. Add egg and vanilla; beat until smooth.
Combine Dry Ingredients: In a separate bowl, whisk ground pecans, almond flour, baking soda, and salt. Fold into the butter mixture until combined.
Shape Cookies: Using a 1-tablespoon scoop, drop dough onto prepared sheets, spacing 3 inches apart.
Bake: Bake 12–15 minutes until edges are golden brown and centers look set.
Cool: Let cookies cool on baking sheet 5 minutes before transferring to a rack.
Prepare Chocolate Dip: Melt chopped chocolate and 1 tbsp butter in a microwave or double boiler until smooth.
Dip Cookies: Dip each cookie halfway in chocolate or drizzle over tops. Set on parchment and let chocolate firm up.