Applesauce Cake with Mascarpone Cream Cheese Frosting and Brown Butter Streusel

Name: Applesauce Cake with Mascarpone Cream Cheese Frosting and Brown Butter Streusel
Ingredients: Applesauce Cake; 2 cups (240g) all-purpose flour; 1 tablespoon Baking powder; 1/2 teaspoon salt; 1 teaspoon cinnamon; 1/2 teaspoon clove; 1/2 teaspoon allspice; 1/2 cup (92g) shortening; 1/2 cup (100g) white granulated sugar; 1/2 cup (106g) light brown sugar; 1 cup (114g) dried cranberries; 1 cup (113g) chopped walnuts; 2 eggs, well beaten and at room temperature; 1 cup (255g) applesauce, room temperature; Applesauce (optional); 4 apples; 1/2 teaspoon cinnamon; 1/2 teaspoon vanilla extract; Pinch salt; 2 teaspoons lemon juice; 1/4 cup water; Mascarpone Cream Cheese Frosting; 8 ounces mascarpone, room temperature; 8 ounces cream cheese, room temperature; 1 cup (226g or 2 sticks) unsalted butter, room temperature; 1 teaspoon vanilla extract; 3 1/2 cups (453g) powdered sugar (1 16oz. bag); Brown Butter Streusel; 6 tablespoons unsalted butter, room temperature; 1 cup (120g) all-purpose flour