Grandma's Banana Cookies

By mmich

5.0 / 5

30min

25min

See on AllRecipes

4 cups all-purpose flour
2 teaspoons baking powder
1 teaspoon salt
1 cup mashed ripe banana
½ cup sour cream
1 teaspoon vanilla extract
1 cup margarine
1 cup white sugar
2 large eggs
1 teaspoon baking soda
1 cup chopped walnuts
½ cup unsalted butter
1 cup brown sugar
¼ cup milk or more as needed
2 ½ cups powdered sugar or to taste