I hate coffee. I love coffee cake. I'm a total conundrum. Sour Cream Coffee Cake 1 cup (2 sticks) unsalted butter, room temperature, plus more for pan 3 cups all-purpose flour (spooned and leveled), plus more for pan 1 tablespoon baking powder 1 teaspoon salt 1 cup sour cream (can use light) 1/2 teaspoon baking soda 1 1/2 cups sugar 3 large eggs, room temperature 2 teaspoons vanilla extract Cinnamon-Walnut Topping In a small bowl, stir together 3/4 cup chopped …