– 1 cup granulated sugar – 1 teaspoon orange zest – 2 teaspoons vanilla extract – ½ cup vegetable oil – ¾ cup milk – 2 large eggs – 2 cups all-purpose flour – ½ teaspoon salt – 1 ½ teaspoon baking powder – 2 cups fresh rhubarb diced
– ½ cup powdered sugar – 2-3 tablespoons heavy whipping cream – 1-2 drops orange oil