Salted Caramel Pecan Blondies

Name: Salted Caramel Pecan Blondies
Prep time: 15 min
Cook time: 18 min
Total time: 33 min
Cuisine: American
Ingredients: 1 1/4 cups packed brown sugar; 1/3 cup butter; 1/4 cup applesauce; 2 eggs; 2 teaspoons pure vanilla extract; 1 cup all-purpose flour; 1 cup whole wheat flour; 1 teaspoon baking powder; 1/2 teaspoon fine sea salt; 1/4 teaspoon baking soda; 3/4 cup chopped pecans (divided); 1/2 ounce ridged potato chips (about 1/4 cup, coarsely crushed); 1/2 cup caramel bits; 1 tablespoon milk; 1/4 teaspoon flaky sea salt