Whisk flour, baking powder, baking soda and cinnamon in large bowl. Set aside.
Whisk yogurt and milk until smooth in separate bowl. Add eggs and butter, and whisk until combined. Gently stir in banana and granola.
Add wet ingredients to dry ingredients and gently stir until just combined. Do not overmix.
Heat skillet over medium-high heat and spray with cooking spray. In batches, ladle batter onto skillet in small rounds (about 3-4 Tbsp. each). Cook 2-3 minutes, or until bubbles form on top of pancake. Flip and cook 2-3 minutes, or until golden brown