Moist Banana Walnut cake

Ingredients

• 3/4 cup unsalted butter, room temperature, plus more for pan
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 3/4 teaspoon salt
• 1/2 teaspoon baking soda
• 1 1/4 cups sugar
• 3 large eggs
• 3 cups mashed medium very ripe bananas (about 6)
• 1 cup chopped toasted walnuts (optional)

Directions

1. Preheat oven to 350 degrees.
2. Butter a 9-by-9inch cake pan; set aside.
3. In a medium bowl, whisk together flour, baking powder, salt, and baking soda; set aside.
4. In the bowl of an electric mixer, cream bananas butter and sugar. Add eggs, one at a time, beating well after each addition. On low speed, slowly add flour mixture.
5. Pour batter into prepared pan.
6. Bake 35-40 minutes until a toothpick inserted in center comes out clean
7. Let cool 10 minutes in pan, then turn out of pan and let cool completely on a wire rack.