Sweet-Potato Poundcake | 5 O'Clock Coffee Club

Ingredients

• 1½ c. all-purpose flour
• 1 tsp. baking powder
• 1 tsp. ground cinnamon
• ½ tsp. ground nutmeg
• ¼ tsp. baking soda
• 1/8 tsp. salt
• 1 stick unsalted butter
• ¾ c. granulated sugar
• ¼ c. light-brown sugar
• ½ tsp. vanilla extract
• 1 c. leftover mashed sweet potatoes
• 2 large eggs
• Nonstick baking spray with flour
• ½ c. chopped pecans