Peanut Butter Banana Bread

Ingredients

• 1 1/2 cups mashed, ripe banana (about 3 medium sized bananas)
• 1/3 cup fat-free plain yogurt
• 1/3 cup creamy peanut butter
• 3 Tbsp. butter, melted
• 2 large eggs
• 1/2 cup granulated sugar
• 1/2 cup brown sugar
• 1 1/2 cups all-purpose flour
• 1/4 cup ground flax seed
• 3/4 tsp. baking soda
• 1/2 tsp. salt
• 1/2 tsp. cinnamon
• 1/8 tsp. allspice
• nonstick spray, for pan