Step 1

Preheat oven to 350º F. Spray an 8x8 baking pan with nonstick cooking spray. Set aside.

Step 2

Cream together butter and sugar until light and fluffy, about 3 minutes. Add in egg, vanilla, salt, and all-purpose flour. Mix just until well-combined. Spread into baking pan.

Step 3

Drop salted caramel onto blondie batter by the tablespoon. Swirl into blondie batter with a skewer, long toothpick or butter knife.

Step 4

Bake 20-25 minutes until set in the middle and lightly golden brown. Cool on a rack until completely cooled before cutting into pieces.