Preheat oven to 350 degrees F.
Line a square pan (8x8) with parchment paper and set aside.
Melt butter and brown sugar in a small sauce pan over medium heat.
Mix thoroughly, about 3-4 minutes and remove from heat. Allow to cool for about 2 minutes.
Pour butter and sugar mixture into a large bowl. Add egg and mix quickly, ensuring that the egg gets mixed in and not cooked into the sugar mixture.
Add vanilla extract and mix some more.
Slowly add flour into the wet ingredients and mix well.
Once all the ingredients are well-combined, mix vigorously for about 3 minutes.
Grab ΒΌ cup of the pecan halves and chop into small pieces. Fold into the blondie batter.
Pour the blondie batter into the lined pan, spread evenly.
Top batter with remaining pecan halves and caramel chips.
Bake for 20-22 minutes. Allow to cool for 10-15 minutes then remove from pan and cut into 16 squares.