Sweet Potato Bread

Name: Sweet Potato Bread
Ingredients: Nonstick cooking spray; 2 large eggs; 2 tbsp. sour cream; 1 c. granulated sugar; 1 c. mashed sweet potato (from canned sweet potato or a 10-oz. cooked sweet potato); 1 tsp. ground cinnamon; 1/2 tsp. ground ginger; 1/2 tsp. ground nutmeg; 1/2 tsp. ground allspice; 1/2 tsp. ground cloves; 1/4 tsp. kosher salt; 1/2 c. vegetable oil; 1 1/2 c. all-purpose flour; 1 tsp. baking powder; 1 c. pecans; 1/2 c. golden raisins; 1/2 c. powdered sugar; 4 to 6 tsp. whole milk, plus more as needed; 1/4 c. chopped pecans, toasted