Cinnamon Raisin Oat Triangles
["2 c. rolled oats", "1 c. all-purpose flour", "3/4 c. packed brown sugar", "1 tsp. cinnamon", "1/2 tsp. baking soda", "3/4 c. melted butter", "1/2 c. light raisins", "1/2 c. dark raisins", "1/4 c. orange marmalade", "1/2 c. powdered sugar", "2 tsp. milk", "1/4 tsp. cinnamon (if desired)"]
["Mix to make a thin icing."]
["rolled oats", "flour", "brown sugar", "cinnamon", "baking soda", "butter", "light raisins", "dark raisins", "orange marmalade", "powdered sugar", "milk", "cinnamon"]