Ruby Chocolate Blondies

Name: Ruby Chocolate Blondies
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Cuisine: American
Ingredients: 4 tablespoons unsalted butter; 1/4 cup light brown sugar; 1/4 cup granulated sugar; 3/4 cup all purpose flour; large pinch of kosher salt; 1/2 cup 8 tablespoons unsalted butter; 1 cup light brown sugar, packed; 1 large egg, at room temperature; 1 teaspoon vanilla extract; 1 cup all purpose flour; 1/2 teaspoon baking powder; 1/2 teaspoon kosher salt; 1 tablespoon freeze dried strawberry powder; (2) 3 - 4 ounce bars ruby chocolate, chopped and divided; 4- ounce bar white chocolate, chopped and divided