Soft rhubarb bars with an oatmeal crumb base and a sweet-tangy cooked rhubarb filling make for a delightful treat. The Amish Oatmeal Rhubarb Bars (with crumb topping) are perfect for any occasion, whether it’s a family gathering, a picnic, or just a cozy evening at home. These bars beautifully balance the tartness of rhubarb with the sweetness of the crumb topping, creating a dessert that everyone will love.
Why You’ll Love This Recipe
- Easy to Make: With simple ingredients and straightforward steps, these bars come together quickly.
- Delicious Flavor: The combination of sweet and tangy flavors makes each bite a delightful experience.
- Versatile Treat: Perfect as a dessert or snack, these bars are great for breakfast too!
- Homemade Goodness: Enjoy the warmth and comfort of homemade baking with this classic recipe.
- Perfect for Sharing: Cut them into squares and share with friends and family—everyone will want to try!
Tools and Preparation
To create your Amish Oatmeal Rhubarb Bars (with crumb topping), having the right tools is essential for smooth preparation.
Essential Tools and Equipment
- Mixing bowl
- 2-quart saucepan
- Baking dish (8×8-inch)
- Measuring cups and spoons
- Parchment paper or greasing spray
Importance of Each Tool
- Mixing bowl: Allows you to combine ingredients effectively without mess.
- 2-quart saucepan: Ideal for cooking the rhubarb mixture evenly.
- Baking dish: The right size ensures even baking and easy serving.
Ingredients
For the Crumb Topping/Base
- 1 cup old fashioned rolled oats
- 3/4 cup all-purpose flour
- 1/2 cup butter, softened
- 1/8 teaspoon salt
- 1/8 teaspoon baking soda
- 1/2 cup brown sugar, packed
For the Rhubarb Filling
- 1 1/2 cups chopped rhubarb
- 3/4 cup granulated sugar
- 1 tablespoon cornstarch, heaping
- 2 tablespoons water
- 1/2 teaspoon vanilla extract
How to Make Amish Oatmeal Rhubarb Bars (with crumb topping)
Step 1: Preheat the Oven
Preheat your oven to 350°F. This ensures that your bars bake evenly.
Step 2: Prepare the Crumb Mixture
In a medium mixing bowl:
1. Combine oats, flour, butter, salt, baking soda, and brown sugar.
2. Mix until coarse crumbs form.
Step 3: Cook the Rhubarb Filling
In a 2-quart saucepan:
1. Combine chopped rhubarb, granulated sugar, cornstarch, and water.
2. Simmer over medium-high heat for 5-10 minutes. Stir frequently until rhubarb softens and the mixture becomes clear.
3. Remove from heat and stir in vanilla extract. Let cool for 10 minutes until slightly thickened.
Step 4: Assemble the Bars
- Press all but 2/3 cup of the oatmeal crumbs into the bottom of a greased or parchment-lined 8×8-inch baking dish.
- Pour the warm rhubarb filling over the crumb base.
- Sprinkle the remaining crumbs evenly over the top.
Step 5: Bake
Bake in preheated oven for 30-40 minutes, until golden on the bottom and both filling and topping are set.
Step 6: Cool and Serve
Allow to cool completely before cutting into bars. Enjoy your delicious Amish Oatmeal Rhubarb Bars (with crumb topping)!
How to Serve Amish Oatmeal Rhubarb Bars (with crumb topping)
Amish Oatmeal Rhubarb Bars with crumb topping are a delightful dessert that can be enjoyed in various ways. Whether you prefer them plain or with a twist, here are some serving suggestions to elevate your experience.
Enjoy Warm
- Serve the bars warm from the oven for a comforting treat.
- A scoop of vanilla ice cream on top adds a creamy contrast.
With Whipped Cream
- Top each bar with a dollop of whipped cream for added sweetness.
- This pairing enhances the tartness of the rhubarb filling.
Accompanied by Fresh Fruits
- Serve alongside fresh berries like strawberries or blueberries.
- The freshness complements the rich flavors of the bars.
Coffee Pairing
- Enjoy these bars with a cup of coffee or tea.
- The warm beverage enhances the comforting nature of the dessert.
Drizzled with Caramel Sauce
- Add a drizzle of caramel sauce for extra indulgence.
- This sweet addition pairs beautifully with the tangy filling.
As a Breakfast Treat
- These bars can also be enjoyed as a breakfast option.
- Pair them with yogurt for a balanced morning meal.

How to Perfect Amish Oatmeal Rhubarb Bars (with crumb topping)
To achieve the best results when making Amish Oatmeal Rhubarb Bars, consider these helpful tips.
-
Use Fresh Rhubarb: Fresh rhubarb provides better flavor and texture compared to frozen. Look for firm, vibrant stalks.
-
Chill Ingredients: Chilling your butter before mixing can help create a flakier crumb topping. This will enhance the overall texture.
-
Don’t Overmix: Mix just until combined when making the crumb base. Overmixing can lead to tough bars instead of soft, tender ones.
-
Let Filling Cool: Allowing the rhubarb filling to cool slightly before pouring it over the base helps prevent sogginess in your bars.
-
Check for Doneness: The bars should be golden on top and set in the center. A toothpick inserted should come out clean.
-
Cool Completely: Letting them cool completely before cutting ensures clean slices and prevents crumbling.
Best Side Dishes for Amish Oatmeal Rhubarb Bars (with crumb topping)
When enjoying Amish Oatmeal Rhubarb Bars, pairing them with complementary side dishes can enhance your dessert experience. Here are some great options to consider:
-
Vanilla Ice Cream: Creamy vanilla ice cream balances the tartness of rhubarb beautifully, making it an ideal companion.
-
Greek Yogurt: A dollop of Greek yogurt adds protein and tanginess, creating a fresh counterpoint to the sweet bars.
-
Fruit Salad: A light fruit salad with seasonal fruits brings brightness and freshness, enhancing every bite.
-
Cheese Platter: A small cheese platter featuring mild cheeses pairs well with rhubarb’s tartness and adds variety to your dessert spread.
-
Coffee Cake: Serving alongside coffee cake offers an additional sweet option that complements the flavors in your bars.
-
Chai Tea: A warm cup of chai tea infuses spices that harmonize wonderfully with the taste of rhubarb, making it cozy and inviting.
-
Nut Mix: A healthy nut mix provides crunch and savory notes that contrast nicely with the sweetness of your dessert.
-
Lemonade: Refreshing lemonade serves as a bright drink option that cuts through sweetness and enhances flavor dynamics.
Common Mistakes to Avoid
When making Amish Oatmeal Rhubarb Bars (with crumb topping), it’s easy to overlook some important steps. Here are common mistakes and how to avoid them:
-
Skipping the cooling time – Allowing the rhubarb filling to cool slightly thickens it. Skipping this step can lead to a runny filling that doesn’t hold together.
-
Not pressing the crumb base firmly – Ensure that you press the crumb mixture into the baking dish firmly. This prevents cracks in the bars and helps them hold their shape.
-
Using fresh rhubarb without checking ripeness – Always check your rhubarb for ripeness before using it. Overripe or very young rhubarb may affect the flavor and texture of your bars.
-
Ignoring the baking time – Baking times can vary based on your oven. Keep an eye on your bars during the last few minutes, as they should be golden brown and set.
-
Overmixing the crumb topping – Mix just until combined. Overmixing can make your topping tough instead of crumbly, which is key for texture.
Storage & Reheating Instructions
Refrigerator Storage
- Store Amish Oatmeal Rhubarb Bars (with crumb topping) in an airtight container.
- They will remain fresh for up to 5 days in the refrigerator.
- For best results, place parchment paper between layers to prevent sticking.
Freezing Amish Oatmeal Rhubarb Bars (with crumb topping)
- Wrap individual bars tightly in plastic wrap or foil.
- Place them in a freezer-safe container or zip-top bag.
- They can be frozen for up to 3 months while maintaining their flavor and texture.
Reheating Amish Oatmeal Rhubarb Bars (with crumb topping)
-
Oven – Preheat your oven to 350°F. Place bars on a baking sheet and heat for about 10-15 minutes.
-
Microwave – Heat individual bars on a microwave-safe plate for about 20-30 seconds, checking for warmth.
-
Stovetop – Place bars in a skillet over low heat, cover with a lid, and warm for 3-5 minutes.
Frequently Asked Questions
Can I use frozen rhubarb for Amish Oatmeal Rhubarb Bars (with crumb topping)?
Yes, you can use frozen rhubarb. Just ensure it is thawed and drained of excess liquid before cooking.
How do I know when my rhubarb filling is ready?
The filling is ready when the rhubarb has softened and the mixture becomes clear after simmering for 5-10 minutes.
Can I customize Amish Oatmeal Rhubarb Bars (with crumb topping)?
Absolutely! You can add nuts, spices like cinnamon, or even mix in other fruits like strawberries for variety.
What should I serve with these bars?
These delicious bars pair well with whipped cream or vanilla ice cream, making them a delightful dessert option.
Final Thoughts
Amish Oatmeal Rhubarb Bars (with crumb topping) are a delightful treat that combines sweet and tangy flavors with a satisfying texture. Their versatility allows you to customize them easily, whether by adding nuts or serving them with ice cream. Don’t hesitate to try this simple yet delicious recipe; it’s bound to become a favorite!
Amish Oatmeal Rhubarb Bars (with crumb topping)
- Total Time: 50 minutes
- Yield: Approximately 9 servings 1x
Description
Indulge in the delightful flavors of Amish Oatmeal Rhubarb Bars with crumb topping. These bars feature a soft oatmeal crumb base topped with a sweet-tangy rhubarb filling that strikes the perfect balance between tart and sweet. Ideal for any occasion, from family gatherings to cozy evenings at home, these bars are easy to make and incredibly versatile. Enjoy them warm with ice cream, or savor them as a breakfast option paired with yogurt. With simple ingredients and straightforward steps, you can whip up this classic dessert that everyone will love!
Ingredients
- 1 cup old fashioned rolled oats
- 3/4 cup all-purpose flour
- 1/2 cup butter (softened)
- 1/8 teaspoon salt
- 1/8 teaspoon baking soda
- 1/2 cup brown sugar (packed)
- 1 1/2 cups chopped rhubarb
- 3/4 cup granulated sugar
- 1 tablespoon cornstarch (heaping)
- 2 tablespoons water
- 1/2 teaspoon vanilla extract
Instructions
- Preheat oven to 350°F.
- In a mixing bowl, combine oats, flour, butter, salt, baking soda, and brown sugar until coarse crumbs form.
- In a saucepan over medium heat, cook rhubarb, granulated sugar, cornstarch, and water until rhubarb softens and mixture is clear. Stir in vanilla extract and let cool.
- Press most of the crumb mixture into an 8×8-inch baking dish, pour rhubarb filling on top, and sprinkle remaining crumbs over.
- Bake for 30-40 minutes until golden and set. Cool completely before slicing.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 180
- Sugar: 10g
- Sodium: 75mg
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 24g
- Fiber: 2g
- Protein: 2g
- Cholesterol: 20mg





Leave a Comment