Coffee Mug Cake

By Adastra808

4.34 / 5

10min

1min

See on AllRecipes

1 tablespoon butter softened
2 tablespoons white sugar
½ beaten egg
2 tablespoons sour cream
2 drops vanilla extract or more to taste
¼ cup all-purpose flour
⅛ teaspoon baking powder
2 tablespoons all-purpose flour
1 tablespoon brown sugar
1 teaspoon cinnamon
1 tablespoon butter