Banana Walnut Muffins

Ingredients:
1 1/3 cups all-purpose flour
3/4 tsp salt
1/4 tsp baking soda
1/2 tsp baking powder
5 1/3 tbsp. unsalted butter, softened
2/3 cup sugar
2 large eggs
1 cup mashed banaas
1/2 cup chopped walnuts

Directions:
Whisk together the flour, salt, baking powder, and baking soda. In a large bowl, beat together the butter and sugar until fluffy, followed by the eggs. Mix the flour mixture into the butter mixture until just incorporated. Stir in the mashed bananas and walnuts. Pour the batter into a greased muffin tin, and bake in a 350 degree oven for 25-30 minutes.

Source: "Banana Bread". Rombauer, Irma S., Marion Rombauer Becker, and Ethan Becker.Joy of Cooking. New York: Scribner, 1997. 773-774.