Brown Butter Apple Blondies

Name: Brown Butter Apple Blondies
Prep time: 35 min
Cook time: 35 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 1/2 cups apples, peeled and chopped; 1 Tbsp unsalted butter; 1/4 cup light brown sugar; 1/2 tsp cinnamon; pinch of nutmeg; 10 Tbsp unsalted butter (for brown butter); 1 1/4 cups light brown sugar; 1 large egg, at room temperature; 1 Tbsp heavy cream; 1 1/2 tsp vanilla extract; 1/4 tsp salt; 1 1/4 cups flour; 1 Tbsp brown butter, reserved from above; 1/8 tsp salt; 1/8 tsp cinnamon; 1/2 tsp vanilla extract; 3/4 cup powdered sugar; 3 Tbsp heavy cream