Banana, Raisin, and Oatmeal Pancakes

• 1 cup old-fashioned oats
• 1 cup all purpose flour
• 1/4 cup (packed) golden brown sugar
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon ground cinnamon
• 3/4 cup plain yogurt
• 3/4 cup whole milk
• 2 large eggs
• 1/2 teaspoon vanilla extract
• 2 ripe bananas, mashed
• 1 cup raisins
• 1/4 cup (1/2 stick) unsalted butter, melted

• Additional melted butter