Ingredients

• 1/2 cup oil
• 1/2 cup butter
• 1 cup sugar
• 1 egg
• 1 tsp vanilla extract
• 2 cups all-purpose flour
• 1 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 2 tsp cinnamon
• Streusel Topping
• 1/2 cup all-purpose flour
• 1/2 cup brown sugar
• 1 tsp cinnamon
• 1/4 cup butter, melted
• Icing
• 1 cup powdered sugar
• 2 tbsp milk
• 1/2 tsp vanilla extract