Preheat oven to 375-degrees, spray non-stick spray in a 9" x 13" casserole dish.
Line with parchment paper and spray with non-stick spray on top of the paper.
Browning the Butter
In a small saucepan add 3/4 cup of butter and set the temperature to medium. Melt the butter and allow it to brown.
Remove the saucepan and pour the butter into a bowl, set it aside, and allow it to cool.
Toasting the Pecans
In a small saucepan, add one tablespoon of butter and allow it to melt.
Add the chopped pecans and cook for about five minutes until they are toasted.
Pour into a bowl and set aside.
Blondies
Pour the browned butter into a large glass bowl.
Add the brown sugar, vanilla extract, and the eggs. Mix together.
Next, add the flour, baking powder, and salt to the bowl and mix.
Stir in the pecans and chocolate chips.
Spread into the casserole dish and bake for 20-25 minutes or until a knife or cake tester comes out clean.
Let the blondies cool for a few minutes.