Blueberry, Oatmeal, and Walnut Snack Bars - Jazzy Vegetarian - Vegan and Delicious!

Ingredients

• 3 medium very ripe bananas
• 3 tablespoons maple syrup or date syrup
• ½ tablespoon vanilla extract
• 2 cups quick cooking rolled oats (preferred) or old fashioned rolled oats (use gluten-free if needed, see note)
• ½ cup chopped walnuts
• 1 rounded cup fresh blueberries