Healthy Banana Muffins

Ingredients (for 12 servings)

• 1¾ cup — whole wheat pastry flour
• 1 tsp — baking powder
• 1 tsp — baking soda
• ½ tsp — cinnamon
• ½ tsp — sea salt
• 3 whole — bananas
• 2 whole — eggs
• ½ cup — maple syrup
• ¼ cup — full fat Greek yogurt
• 2 tbsp — avocado oil
• 1 tsp — vanilla
• ½ cup — chopped walnuts or chocolate chips