Amish Oatmeal Rhubarb Bars

By :

Eva

August 14, 2026

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How to make Amish Oatmeal Rhubarb Bars

Amish Oatmeal Rhubarb Bars are a delightful dessert that combines the sweetness of oatmeal with the tartness of rhubarb. This treat is perfect for any occasion, whether you’re hosting a gathering or simply want to enjoy a delicious snack at home. Below is a straightforward recipe to make these scrumptious bars.

Ingredients:

2 cups rolled oats
1 cup all-purpose flour
1 cup brown sugar
1/2 cup granulated sugar
1/2 cup unsalted butter, softened
1 teaspoon baking soda
1/2 teaspoon salt
1 teaspoon cinnamon
2 cups rhubarb, chopped
1/4 cup water
1 tablespoon cornstarch

Directions:

Preheat the oven to 350°F (175°C). Grease a 9×13 inch baking dish.
In a large bowl, mix together the oats, flour, brown sugar, granulated sugar, baking soda, salt, and cinnamon.
Cut in the butter until the mixture resembles coarse crumbs.
Press half of the mixture into the bottom of the prepared dish.
In a saucepan, combine the chopped rhubarb and water. Cook over medium heat until the rhubarb is tender.
Stir in cornstarch and cook until thickened. Spoon the rhubarb mixture over the crust in the baking dish.
Sprinkle the remaining oat mixture over the top.
Bake for 30-35 minutes or until golden brown.
Allow to cool before cutting into bars.

Why You’ll Love This Amish Oatmeal Rhubarb Bars

There are many reasons to adore these Amish Oatmeal Rhubarb Bars. First and foremost is the delightful combination of flavors. The heartiness of rolled oats pairs perfectly with the tangy rhubarb filling, creating a taste that is both comforting and refreshing. The contrast between the sweet oat crust and the tart rhubarb makes every bite an adventure for your taste buds.

These bars are also incredibly versatile. You can serve them warm, chilled, or at room temperature, making them suitable for any season. They can be enjoyed as a dessert, a snack, or even a breakfast option.

Additionally, these bars are simple to make. With straightforward ingredients and minimal preparation time, they are perfect for both novice and experienced cooks. You’ll love how easy it is to whip up a batch, making them great for last-minute guests or satisfying a sweet tooth.

Nutriment Benefits

Amish Oatmeal Rhubarb Bars not only taste amazing but also offer several health benefits. Here are a few of the key ingredients and their nutritional advantages:

Oats: They are rich in dietary fiber, which can help maintain healthy digestion. Oats are also known to lower cholesterol levels and can contribute to heart health.
Rhubarb: This vegetable is low in calories but high in vitamins K and C. It contains antioxidants that are beneficial for overall health.
Cinnamon: An aromatic spice known for its anti-inflammatory properties, cinnamon can help regulate blood sugar levels and promote heart health.
Butter: While butter adds rich flavor, using it in moderation can be part of a balanced diet.

Though these bars do contain sugars and fats, they also incorporate wholesome ingredients that can be enjoyed as part of a balanced diet.

What to Serve With Amish Oatmeal Rhubarb Bars

These lovely bars can stand alone as a delicious treat, but pairing them with complementary items can enhance your eating experience. Here are a few ideas on what to serve them with:

Vanilla Ice Cream: A scoop of vanilla ice cream on top of warm bars adds a delightful creaminess and is a classic combination.
Whipped Cream: A dollop of fresh whipped cream can elevate the dessert, making it more indulgent.
Fresh Fruits: Serving a side of fresh berries can complement the flavors of the bars while adding a burst of freshness.
Tea or Coffee: Pairing these bars with a warm cup of tea or coffee can make for a cozy treat, perfect for afternoon snacking.

How to Store Amish Oatmeal Rhubarb Bars

Storing your Amish Oatmeal Rhubarb Bars correctly will ensure they stay fresh for longer. Here’s how to do it:

At Room Temperature: If you plan to enjoy the bars within a few days, store them in an airtight container at room temperature to keep them soft and chewy.
In the Refrigerator: For longer storage, place the bars in an airtight container and store them in the refrigerator. They can last up to a week this way.
Freezing: If you want to keep them for even longer, you can freeze them. Wrap individual bars in plastic wrap and then place them in a freezer-safe container. They can be stored for up to three months. When you’re ready to enjoy them, simply thaw at room temperature.

Tips and Mistakes to Avoid

Making delicious Amish Oatmeal Rhubarb Bars is easy, but here are some tips to ensure your baking goes smoothly:

Measure Ingredients Accurately: It’s crucial to measure your ingredients accurately to achieve the right texture. Using a kitchen scale can be beneficial for precise measurements.
Avoid Overmixing: When combining ingredients, mix just until they are incorporated. Overmixing can lead to tough bars.
Don’t Skip the Cooling Time: Allow the bars to cool completely before cutting them. This will help them hold their shape better and make them easier to cut.
Test for Doneness: Keep an eye on your bars while baking. Use a toothpick inserted in the center to check for doneness. If it comes out clean, they’re ready!

Variations

There are many ways you can customize Amish Oatmeal Rhubarb Bars to suit your taste preferences:

Add Nuts: Mix in chopped nuts like walnuts or pecans for added texture and flavor.
Use Different Fruits: Substitute rhubarb with other fruits like apples or berries to create a fruit variation.
Add Spices: Experiment with additional spices like nutmeg or ginger to enhance the flavor profile.
Make It Vegan: Substitute butter with a vegan alternative and use a plant-based egg replacer to make these bars vegan-friendly.

FAQs

1. Can I use frozen rhubarb in this recipe?

Yes, you can use frozen rhubarb. Just be sure to thaw and drain any excess liquid before cooking it with water.

2. What can I do if I don’t have cornstarch?

If you don’t have cornstarch, you can use all-purpose flour as a thickening agent in place of cornstarch. Just use about 2 tablespoons for the same effect.

3. How can I tell when the bars are done baking?

The bars should turn a golden brown color and a toothpick inserted in the center should come out clean or with just a few crumbs attached.

These Amish Oatmeal Rhubarb Bars are a delightful treat with a perfect balance of sweet and tart flavors. They are not only easy to prepare but also a wonderful way to enjoy the unique taste of rhubarb. Whether served for a gathering or an everyday dessert, these bars are sure to please everyone. Enjoy!