Maple Glazed Apple Blondies

Name: Maple Glazed Apple Blondies
Cuisine: American
Ingredients: 1/2 cup oat flour; 1/2 cup old fashioned rolled oats; 1/2 tsp ground cinnamon; 1/2 tsp baking powder; 1/4 tsp salt; 1 cup runny almond butter; 1/4 cup pure maple syrup; 1/2 cup coconut sugar, may sub cane sugar, brown sugar or monk fruit sweetener; 2 eggs; 2 tsp vanilla extract; Apple Filling; 1 large green apple, peeled and chopped finely, about 1.5-2 cups; 2 tbsp pure maple syrup; 1/2 tsp cinnamon; Maple Glaze; 1.5 cups powdered sugar; 1 tbsp milk, almond, cashew, coconut or cow.; 1 tbsp pure maple syrup