Arlene's Coffee Cake | Saveur

Ingredients

• 16 tbsp. unsalted butter, plus more for greasing
• 4 cups flour, plus 3 tsp.
• 3 tsp. baking powder
• 1 tsp. baking soda
• 2 cups sugar
• 4 eggs
• 2 cups sour cream
• 2 tsp. vanilla extract
• 1 cup dark brown sugar
• 5 tsp. ground cinnamon
• 1 cup chopped pecans