Grandma's Banana Cookies
- Category:
- Author: mmich
- Rating: 5.0
- Prep time: 30 min
- Cook time: 25 min
Ingredients
- 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