Preheat oven to 350°F. Line a baking sheet with parchment paper.
Mix together pecans, brown sugar, corn syrup, and egg in a small bowl. Add melted butter, vanilla, and salt. Mix together until fully combined.
Lay out mini shells onto prepared baking sheet and add a few teaspoons of pecan filling into each shell.
Bake for 18-20 minutes, or until set.
Mini pecan pies are everyone's favorite pecan pie baked in mini form! They are sweet, bite-sized, crunchy, and delicious.