Looking for a fast, simple, and healthy breakfast that your kids will actually eat? These 3-Ingredient Oatmeal Banana Muffins are naturally gluten-free, dairy-free, and incredibly easy to make.
*This post was originally published on January 29, 2015 and has been updated with new images, tips, and tricks.

Made with wholesome pantry staples like ripe bananas, old-fashioned oats, and unsweetened almond milk, this quick blender recipe requires zero flour and takes only 20 minutes from start to finish. Whether you need a quick morning bite, a lunchbox snack, or a meal-prep option that freezes well, these healthy muffins are a total lifesaver for busy mornings!
Why You’ll Love This Healthy Muffin Recipe
- Only 3 Ingredients: Uses basic staples you probably already have in your kitchen.
- Naturally Gluten-Free: Perfect for families with dietary restrictions (just use certified gluten-free oats).
- No Flour or Refined Sugar: Sweetened only by naturally ripe bananas.
- Freezer-Friendly: Make a big batch ahead of time and defrost them whenever you need a quick snack.

Ingredients Needed
- 2 cups Old-Fashioned Oats (Use a certified gluten-free variety if needed)
- 3 Large Overripe Bananas (The browner and spottier, the sweeter they will be!)
- 1/4 cup Unsweetened Almond Milk (Or your favorite milk alternative)
Equipment Needed
- Blender or Food Processor (Essential for smoothing out the oats)
- 12-Count Muffin Tin
- Non-stick Cooking Spray
- Ice Cream Scoop or Spoon (For easy pouring)

How to Make 3-Ingredient Banana Oatmeal Muffins
- Preheat and Prep: Preheat your oven to 350°F. Generously spray a 12-count muffin tin with non-stick cooking spray.
- Blend Ingredients: Add the old-fashioned oats, large overripe bananas, and unsweetened almond milk into a blender or food processor. Blend on high until completely combined and smooth.
- Fill the Muffin Tin: Scoop the batter into the muffin cups almost to the top (about 3/4 to full). Note: Because these do not contain baking powder or soda, they will not rise significantly in the oven.
- Bake: Bake for 10 to 13 minutes, or until the edges are slightly golden and the tops feel springy.
- Cool and Serve: Allow them to cool slightly before removing from the tin. Enjoy warm or pack for later!
Pro-Tips for Success
- Choose the Right Bananas: Make sure your bananas are heavily spotted or browning. Unripe bananas lack the natural sweetness and moisture needed to hold these flourless muffins together.
- Storage: Store leftover muffins in an airtight container in the refrigerator for up to 4 days, or freeze them individually in freezer bags for up to 3 months. Just pop one in the microwave for 20-30 seconds to reheat!
Sweet & Fruity Add-ins
Here are some delicious and creative add-in ideas you can blend or fold into your 3-Ingredient Oatmeal Banana Muffins to switch up the flavors!
Because these muffins are naturally simple, they act as a blank canvas for extra mix-ins. You can either toss these directly into the blender with the base ingredients or gently fold them into the batter before scooping.
- Mini Chocolate Chips: (1/4 to 1/3 cup) Folded in at the end for a sweet, kid-friendly treat.
- Fresh Blueberries: (1/2 cup) Gently fold whole blueberries into the batter for a fun pop of fruit.
- Dried Cranberries or Raisins: (1/3 cup) Adds a chewy texture and extra sweetness.
- Chopped Walnuts or Pecans: (1/3 cup) Adds a wonderful, nutty crunch to balance the soft texture.
- Unsweetened Shredded Coconut: (1/4 cup) Gives the muffins a subtle tropical flavor.
Flavor Boosters (Blend with the base)
- Peanut Butter or Almond Butter: (2 tablespoons) Blended in for extra richness, creaminess, and a protein boost.
- Ground Cinnamon: (1 teaspoon) Adds instant warmth and cozy autumn flavor.
- Chia Seeds or Flaxseeds: (1 to 2 tablespoons) A great way to boost the fiber, protein, and omega-3s without changing the flavor.
- Vanilla Extract: (1 teaspoon) Enhances the natural sweetness of the bananas.
Three Ingredient Gluten-Free Oatmeal Banana Muffins
Ingredients
- 2 cups old fashioned oats use gluten-free variety if needed
- 3 medium bananas ripened with brown specks
- ¼ cup unsweetened almond milk
Instructions
- Preheat oven to 350℉.
- Spray a 6-count muffin tin with non-stick spray.
- In a blender or food processor combine all three ingredients until well combined and creamy.
- Scoop mixture into muffins tins 3/4 of the way. These do not rise so filling them almost to the top is fine.
- Bake for 10-13 minutes or until slightly golden edges, and springy tops.

My youngest is gluten-free. It’s SO awesome to see a simple recipe that doesn’t have things you usually have to buy in a health-food store. Nice job!
I love recipes that don’t have a million ingredients in them. This looks totally doable.
Gotta love recipes like this that only use a few ingredients. More likely to have them handy instead of having to run out and get them.
I will definitely be trying these! My little ones are the same way. I’m also not much of a baker, but these I can handle… lol.
Oh I love how easy these are to make! This would be a much better option for me to have on hand to snack on at home!