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Home » Recipes » Baking & Desserts

Baked Banana Oatmeal Bars (Vegan + Gluten-Free)

Last updated - September 20, 2023; Published - September 10, 2023 By Rhian Williams 6 Comments

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A collage of two baked banana oatmeal bars photos

These Baked Banana Oatmeal Bars are soft and chewy, and taste like banana bread and banana oatmeal cookies. They're quick and easy to make, require just a few simple ingredients, and the recipe is easily customisable. They're vegan, gluten-free and refined sugar free, but can also be made completely sugar free and oil-free too. They're great for dessert, a snack or breakfast, and also perfect for meal prep and packed lunches.

Three baked banana oatmeal bars topped with pecan nuts on a marble background, with a bite taken out of one

How to make this recipe

Scroll down to the bottom of the post for the full recipe.

  • Mash the bananas with a fork in a bowl.

Tip: Make sure to use ripe bananas.

Mashed bananas in a bowl with a fork
  • Mix together all the ingredients in a separate, larger mixing bowl.

Tip: Leave the mixture for 10 minutes as leaving the oats to soak for a bit will make them much easier to bind together.

Raw baked banana oatmeal bars batter in a mixing bowl with a spoon
  • Transfer the mixture into a square baking tin.

Tip: Line the tin with greased baking paper to make it easier to remove the bars after.

Raw baked banana oatmeal bars mixture in a square baking tin lined with baking paper
  • Scatter over the chopped pecan nuts and press them down into the batter.
Raw baked banana oatmeal bars mixture in a square baking tin lined with baking paper topped with chopped pecan nuts
  • Bake in the oven for 20 minutes.
Baked banana oatmeal bars topped with chopped pecan nuts in a square baking tin lined with baking paper
  • Leave to cool before cutting into squares!

Substitutions you can make

  • You can use any type of liquid sweetener: maple syrup, agave syrup, brown rice syrup etc.
  • To make the cookies free from added sugar, omit the maple syrup.
  • You can use any type of oil: coconut oil, olive oil or vegetable oil.
  • For an oil-free version, the coconut oil can be replaced with almond butter, peanut butter, cashew butter or sunflower seed butter.
  • If you don't like cinnamon, it can be omitted.
  • You can replace the ground almonds with ground walnuts.
  • For a nut-free version, use ground sunflower seeds instead of ground almonds.

Other ingredients you can add

  • Chocolate chips.
  • Dried fruit: raisins, dried cranberries, dried cherries, dried mango, dried papaya, dried pineapple, chopped dates, chopped dried figs etc.
  • Chopped nuts: walnuts, pecan nuts, Brazil nuts.
  • Desiccated coconut or coconut flakes.

How long do these Banana Oatmeal Bars keep for?

They keep well in the fridge in an airtight container for a good few days. They also freeze well.

Three square baked banana oatmeal bars topped with pecan nuts on a marble background

More vegan banana recipes

  • Banana Cake
  • Banana Cupcakes
  • Banana Pancakes
  • Banana Oatmeal Cookies
  • Blueberry Banana Bread
  • Banana Cream Pie
  • Banana Muffins

If you try out this recipe or anything else from my blog, I’d really love to hear any feedback! Please give it a rating, leave a comment, or tag a photo @rhiansrecipes #rhiansrecipes on Instagram! Thank you.

Three baked banana oatmeal bars topped with pecan nuts on a marble background, with a bite taken out of one

Baked Banana Oatmeal Bars (Vegan + Gluten-Free)

These Baked Banana Oatmeal Bars are soft and chewy, and taste like banana bread and banana oatmeal cookies. They're quick and easy to make, require just a few simple ingredients, and the recipe is easily customisable.
3.96 from 24 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Keyword: banana oatmeal bars, gluten-free oatmeal bars, vegan oatmeal bars
Prep Time: 25 minutes minutes
Cook Time: 20 minutes minutes
Total Time: 35 minutes minutes
Servings: 16 bars
Calories: 203kcal
Author: Rhian Williams

Ingredients

  • 4 medium-sized ripe bananas
  • 60 g (¼ cup) coconut oil (or sub olive or vegetable oil, or nut butter such as peanut butter or almond butter)
  • 8 tablespoons maple syrup * (or sub any other sweetener)
  • 1 teaspoon ground cinnamon (optional)
  • Pinch salt
  • 200 g (1 â…” cup) ground almonds (almond meal) ** (or sub ground walnuts)
  • 200 g (1 â…” cup) rolled oats (ensure gluten-free if necessary)
  • 1 teaspoon baking powder (ensure gluten-free if necessary)

For topping (optional):

  • 100 g (â…” cup) pecan nuts , roughly chopped (or replace with chocolate chips or coconut flakes)

Instructions

  • Preheat oven to 180 degrees Celsius (350 degrees Fahrenheit).
  • Peel the bananas and place in a small bowl, then use a fork to mash until you get a smooth paste.
  • Place the coconut oil in a separate, large bowl and melt over a saucepan of boiling water or in the microwave (skip this step if using any other oil).
  • Once melted, add the maple syrup, cinnamon, salt, ground almonds, oats and baking powder to the same bowl.
  • Mix well, adding a tiny splash of plant-based milk if it’s looking too dry.
  • Leave the mixture for 10 minutes as leaving the oats to soak for a bit will make them much easier to bind together.
  • Transfer the mixture into a square or rectangular baking tin lined with greased baking paper - I used a 23cm/9inch square baking tin.
  • Scatter over the chopped pecan nuts and press them down into the batter.
  • Bake in the oven for around 20 minutes until golden brown.
  • Leave to cool before cutting into squares.
  • Keeps covered in the fridge for up to a few days.

Notes

*For a completely sugar-free version, omit the maple syrup.
**You can alternatively use almond flour.
Nutrition Facts
Baked Banana Oatmeal Bars (Vegan + Gluten-Free)
Amount Per Serving
Calories 203 Calories from Fat 99
% Daily Value*
Fat 11g17%
Saturated Fat 4g20%
Polyunsaturated Fat 0.4g
Monounsaturated Fat 0.5g
Sodium 2mg0%
Potassium 199mg6%
Carbohydrates 25g8%
Fiber 3g12%
Sugar 10g11%
Protein 5g10%
Vitamin A 19IU0%
Vitamin C 3mg4%
Calcium 57mg6%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Made the recipe?Tag @rhiansrecipes on instagram and use the hashtag #rhiansrecipes!

Disclosure: This posts contains affiliate links to Amazon. If you purchase any of these products, a small percentage will come to me with no extra cost to you! This income will go towards the running of this blog – thank you.

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    Recipe Rating




  1. Anonymous

    September 11, 2023 at 2:31 pm

    Is there something I can replace for the oats? My son is sensitive to oats.

    Reply
    • Rhian Williams

      September 11, 2023 at 3:40 pm

      Hi! I think quinoa flakes or brown rice flakes would work if he’s ok with those!

  2. Jill

    September 12, 2023 at 2:36 am

    It would be a good idea to make it clear that these are inappropriate for coeliacs because of the oats!

    Reply
    • Rhian Williams

      September 13, 2023 at 8:27 am

      Thank you for sharing! As I have specified in the recipe ingredients list, it's important to ensure that the oats are gluten-free certified if coeliac!

  3. K Evans

    September 19, 2023 at 6:36 pm

    5 stars
    I made these last night with a few modifications. I used apple sauce instead of bananas and finely chopped walnuts instead of ground walnuts. I also doubled the recipe and added chopped apples and cranberries and added half of the amount of maple syrup to reduce the sugar.

    It was yummy and I ate it with Greek yogurt. My version was more of a crisp without the sugary crisp on top. Thanks for this recipe.

    Reply
    • Rhian Williams

      September 20, 2023 at 4:29 am

      Thank you so much, so glad you liked it! And thank you for sharing your substitutions!

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A collage of two baked banana oatmeal bars photos
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Hi, I’m Rhian! I make easy, undetectably vegan + gluten-free recipes, including healthy comfort food and naturally sweetened desserts using plant-based ingredients.

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