Toast the Pecans: Bake at 350°F for 5–10 minutes or toast in a skillet until fragrant. Let cool and chop.
Make Caramel: In a microwave-safe bowl, melt butter. Stir in sugars, condensed milk, and corn syrup. Microwave 6–8 minutes, stirring occasionally. Test with ice water method.
Add Pecans & Vanilla: Stir in vanilla and chopped pecans until evenly coated.
Shape Clusters: Drop spoonfuls onto parchment-lined tray. Chill 20 minutes.
Melt Chocolate: Gently melt chocolate or almond bark.
Dip & Set: Coat each cluster in chocolate, let excess drip off, and place back on tray to set.