Sweet Treat - Grandma's Butterscotch Blondies

I have had a few requests for a sweet recipe. This is a winner! My oldest son "Blaze" is my pickiest eater all around. He came home and was telling me how good Mrs. L's bars with powdered sugar were after a soccer game. She gave me the recipe and I have made them twice last week and am pulling butter out of the fridge as I write to make some more. There is nothing like the aroma of whisking butter, vanilla, eggs, and brown sugar together! Enjoy!

Grandma's Butterscotch Blondies
1 stick butter, softened
2 C. light brown sugar, packed
1 1/4 C. flour
1 t. baking powder
1/4 t. salt
1 t. vanilla
powdered sugar

Cream butter and brown sugar. Add eggs and vanilla and beat well. Add flour, baking powder, salt and mix well. The batter is irresistible! Bake at 350 in a greased and floured 9x13 pan for 20-25 minutes. Cool and sprinkle with powdered sugar. Warning: they disappear fast!