Step 1

Preheat oven to 350 degrees F and grease an 8x8-inch baking dish.

Step 2

In a large bowl, mix butter, brown sugar, and granulated sugar until light and smooth. Mix in eggs, vanilla, and pistachio pudding mix.

Step 3

In a small bowl, sift together flour, baking soda, and salt, then slowly add dry ingredients to the wet.

Step 4

Fold in pistachios and white chocolate chips.

Step 5

Transfer to the prepared baking dish and bake for 25-28 minutes or until blondies are cooked through the center.

Step 6

Allow blondies to cool for at least 30 minutes before cutting.