Preheat oven to 350°F and line an 8x8 pan with parchment.

Whisk eggs, melted butter, erythritol, maple syrup, and vanilla.

Stir in almond flour, baking powder, and salt until smooth.

Fold in chopped pecans and pour into prepared pan.

Bake 18 to 22 minutes until edges are set and center is slightly soft.

Cool completely before cutting into squares.