siggi's Icelandic yogurt - banana walnut bread

Ingredients

• 1 stick of butter, room temp.
• 2 large eggs
• 1/2 cup brown sugar
• 1 1/2 cup all-purpose flour
• 1 tsp baking soda
• 1 tsp baking powder
• 3-4 bananas (about 1 cup, mashed)
• 1/2 cup siggi’s vanilla filmjölk
• 1 tsp cinnamon
• 1/2 tsp nutmeg
• 1 tsp salt
• 1/2 cup walnuts, chopped
• 1 1/2 tsp pure vanilla extract