Moist Cinnamon Streusel Pumpkin Coffeecake

Name: Moist Cinnamon Streusel Pumpkin Coffeecake
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: American
Ingredients: 1/2 cup flour; 1/2 cup packed brown sugar; 3/4 teaspoon cinnamon; pinch of nutmeg (cloves and ginger); 4 Tablespoons butter (melted); 1/4 cup chopped pecans; 1/2 cup sugar; 6 Tablespoons salted butter (room temperature); 3/4 cup pumpkin puree; 2 Tablespoons milk; 2 Tablespoons sour cream; 1 egg; 1 teaspoon vanilla extract; 1 1/4 teaspoon baking powder; 1 cup all-purpose flour; 1 1/2 teaspoon ground cinnamon; 3/4 teaspoon nutmeg; 1/2 teaspoon ginger; 1/4 teaspoon cloves; 3/4 cup powdered sugar; 1/2 teaspoon maple extract; 1-2 Tablespoons milk; Optional garnish: Chopped pecans