Prepare Ingredients:
Mash bananas until smooth.
Mix wet ingredients: bananas, eggs, honey/maple syrup, vanilla.
Mix dry ingredients: oats, flour, baking powder, baking soda, salt, cinnamon, nutmeg.
Mix Batter:
Gently fold wet ingredients into dry ingredients.
Fold in optional add-ins if using.
Avoid overmixing to prevent dense muffins.
Bake Muffins:
Preheat oven to 350°F (175°C).
Line muffin tin with paper liners or lightly grease.
Fill each cup ¾ full with batter.
Bake 20–25 min or until toothpick comes out clean.
Cool & Store:
Let muffins cool 10–15 min in the tin, then transfer to a wire rack.
Store in airtight container at room temp for up to 5 days.
Freeze fully cooled muffins in ziplock bag for up to 3 months.