Soft, hearty banana oatmeal muffins made entirely with oats instead of flour. These gluten-free muffins are naturally sweetened with ripe bananas and honey, making them an easy meal prep breakfast or snack made from simple pantry staples.
Preheat the oven to 350°F degrees. Line a muffin tin with cupcake liners and set aside.
To Make Oat Flour: In a food processor or blender, add 1 ½ cups of rolled oats and blend until it turns into a fine oat flour.
Add the 1 ½ cups oat flour to a medium bowl, along with 1 ½ cups of whole rolled oats (you’ll have half oats flour, half whole oats). Add the 2 tsp cinnamon, 2 tsp baking powder, ½ tsp baking soda, and ½ tsp salt. Mix everything together.
Add the two ripe bananas to a plate and mash them thoroughly with a fork.
In a separate large bowl, mix together the mashed bananas with 2 eggs, ½ cup honey, ¾ cup milk, and 3 tsp vanilla extract.
Add the dry oat flour mixture to the wet ingredients. Stir everything together until just combined, but don't overmix.
Let this sit for 20 minutes to let oats soak up the wet ingredients. Then give another quick stir.
Spoon about ¼ cup of batter into each muffin cup. Sprinkle a small amount of rolled oats on top of each muffin (optional).
Bake for 25-30 minutes, or until a toothpick comes out clean from the muffin. Let cool for 10 minutes, then remove muffins and place on a cooling rack.
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Notes
Use very ripe bananas – Bananas with brown spots provide the best natural sweetness and moisture for the muffins.
Let the batter rest for 20 minutes – This allows the rolled oats to absorb moisture, which improves the texture and keeps the muffins soft.
Use certified gluten-free oats if needed – Oats are naturally gluten free, but certified gluten-free oats ensure there is no cross-contamination.
Don't overmix the batter – Stir just until the ingredients are combined to keep the muffins tender.
Freezer friendly – Let muffins cool completely, then store in a freezer bag for up to 3–4 months. Reheat in the microwave for 30–60 seconds.
Store in the fridge – Because bananas add moisture, these muffins stay fresher longer when stored in an airtight container in the refrigerator.