Sunday Brunch: Aunt Patty's Coffee Cake

Name: Sunday Brunch: Aunt Patty's Coffee Cake
Prep time: 1 h 40 min
Cook time: 1 h 40 min
Total time: 1 h 40 min
Yield: 4
Cuisine: Global
Ingredients: 1 teaspoon baking powder; 1 teaspoon baking soda; 2 teaspoons coarse salt; 2 larges eggs, room temperature; 473 milliliters all-purpose flour; 1 Tbsp instant coffee; 237 milliliters sour cream, room temperature; 2 Tbsps sugar; 8 Tbsps (1 stick) unsalted butter, softened; 1 Tbsp unsweetened cocoa powder; 1 teaspoon vanilla extract