Combine applesauce and lemon juice; place half of mixture in a small casserole. Spread bread sides wih butter and marmalade. Cut 4 slices int cubes, cut remaining slice in 4 triangles. Place cubes on applesause in casserole; combine cinomman and sugar, sprinkle 1/2 over cubes, top with remaining applesauce. Arange triangles in a patter to top casserole; sprinkle with remaining cinnamon and sugar. Bake at 350 deg F for 30 min.