How to Make It
Preheat oven to 350°.
Place butter, oil, and sugar in a small saucepan; bring to a boil. Cook 1 minute, stirring constantly. Pour mixture into a large bowl; cool 8 minutes. Stir in vanilla and eggs.
Weigh or lightly spoon flour into dry measuring cups; level with a knife. Combine flour, baking powder, and salt in a bowl; stir with a whisk. Add flour mixture and chopped pecans to butter mixture; stir until completely combined.
Scrape mixture into an 8-inch square light-colored metal baking pan coated with baking spray. Smooth top. Arrange pecan halves in 4 x 4 rows. Bake at 350° for 24 minutes. Cool completely in pan on a wire rack. Cut into 16 squares.
Whole-Grain Butterscotch Blondies: Omit 1/3 cup chopped pecans and pecan halves. Follow instructions through step 3; stir 1/4 cup butterscotch morsels into flour and butter mixture. Proceed with step CALORIES 189; FAT 6g (sat 1g); SODIUM 78mg
Whole-Grain Toffee Blondies: Omit 1/3 cup chopped pecans and pecan halves. Follow instructions through step 3; stir 3 tablespoons almond toffee bits (such as Heath) into flour and butter mixture. Proceed with step 4, sprinkling 2 tablespoons toffee bits evenly over batter before baking. CALORIES 197; FAT 2g (sat 4g); SODIUM 98mg