Why Make This Recipe
Rhubarb Oat Bars are a delightful treat that combine the tart flavor of rhubarb with the wholesome goodness of oats. These bars are perfect for a snack, dessert, or even breakfast on the go. They’re easy to make, delicious, and can be enjoyed by everyone. Using simple ingredients, you can create a sweet and tangy layered treat that delights the senses.
How to Make Rhubarb Oat Bars
Ingredients
- 2 cups chopped rhubarb
- 1 cup rolled oats
- 1 cup all-purpose flour
- 1/2 cup brown sugar
- 1/2 cup granulated sugar
- 1/2 cup unsalted butter, melted
- 1/2 teaspoon salt
- 1/2 teaspoon cinnamon
- 1 teaspoon vanilla extract
- 1 tablespoon lemon juice
Directions
- Preheat your oven to 350°F (175°C). Grease a baking dish.
- In a bowl, mix together the flour, oats, brown sugar, granulated sugar, salt, and cinnamon.
- Add the melted butter and mix until crumbly.
- Press half of the mixture into the bottom of the prepared dish to form the crust.
- In another bowl, combine the chopped rhubarb, lemon juice, and vanilla extract. Spread this rhubarb mixture over the crust.
- Crumble the remaining oat mixture over the rhubarb layer.
- Bake for 25-30 minutes or until the topping is golden brown.
- Allow to cool, then cut into bars and enjoy!
How to Serve Rhubarb Oat Bars
These bars are delicious on their own, but you can serve them with a dollop of whipped cream or a scoop of vanilla ice cream for an extra treat. They make a wonderful addition to any dessert table or picnic spread. Enjoy them fresh out of the oven or packed in a lunchbox for a tasty snack later.
How to Store Rhubarb Oat Bars
To keep your Rhubarb Oat Bars fresh, store them in an airtight container at room temperature for up to 3 days. If you want to keep them longer, you can refrigerate them for about a week. For even longer storage, wrap them individually and freeze for up to 3 months. Simply thaw them in the fridge before enjoying.
Tips to Make Rhubarb Oat Bars
- Make sure to chop the rhubarb into even pieces for consistent baking.
- You can adjust the sweetness by adding more or less sugar, depending on your taste.
- For an added twist, try adding nuts or dried fruit to the oat mixture for extra flavor and texture.
Variation
If you want to experiment, try adding some strawberries along with the rhubarb for a fruity twist. You can also substitute half of the all-purpose flour with whole wheat flour for a healthier option.
FAQs
1. Can I use frozen rhubarb for this recipe?
Yes, you can use frozen rhubarb. Just make sure to thaw and drain any excess moisture before using it in the recipe.
2. Can I make this recipe vegan?
Yes! To make it vegan, substitute the butter with a plant-based alternative and the eggs can be omitted since they are not used in this recipe.
3. How do I know when the Rhubarb Oat Bars are done?
Your bars are done when the top is golden brown and a toothpick inserted in the middle comes out clean. Make sure not to overbake!

Rhubarb Oat Bars
Ingredients
Method
- Preheat your oven to 350°F (175°C). Grease a baking dish.
- In a bowl, mix together the flour, oats, brown sugar, granulated sugar, salt, and cinnamon.
- Add the melted butter and mix until crumbly.
- Press half of the mixture into the bottom of the prepared dish to form the crust.
- In another bowl, combine the chopped rhubarb, lemon juice, and vanilla extract. Spread this rhubarb mixture over the crust.
- Crumble the remaining oat mixture over the rhubarb layer.
- Bake for 25-30 minutes or until the topping is golden brown.
- Allow to cool, then cut into bars and enjoy!