Sour Cream Coffee Cake

Name: Sour Cream Coffee Cake
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 2 cups all purpose flour; 1 1/2 tsp baking powder; 1/4 tsp salt; 2 cups pecans (coarsely chopped); 1 tbsp cinnamon; 1/4 cup brown sugar; 8 oz (2 sticks) butter, softened at room temperature and not melted butter (1 cup butter); 2 cups sugar; 1 tsp vanilla extract; 2 egg (at room temperature); 1 cup sour cream (or non-dairy equivalent)