Lemon Oatmeal Crumble Bars

Lemon Oatmeal Crumble Bars are a delightful treat that combines the bright flavor of lemon with a satisfying oat crust. These bars are perfect for gatherings, picnics, or simply enjoying at home with a cup of tea. The creamy lemon filling pairs beautifully with the crunchy topping, making each bite a perfect balance of flavors and textures.

Why You’ll Love This Recipe

  • Easy to Make: With just a few simple steps, you can whip up these bars in no time. Ideal for both novice and experienced bakers.
  • Refreshing Flavor: The zesty lemon filling brings a burst of freshness that is perfect for any season.
  • Versatile Dessert: Great for parties, potlucks, or as an afternoon snack. These bars are sure to impress your friends and family.
  • Batch-Friendly: This recipe makes 16 generous bars, making it easy to share with others or save some for later.
  • Customizable Topping: Feel free to add nuts or dried fruits to the crumble topping for extra texture and flavor.

Tools and Preparation

Before you start baking your Lemon Oatmeal Crumble Bars, gather the necessary tools and equipment. Having everything ready will make the process smooth and enjoyable.

Essential Tools and Equipment

  • Baking dish (9×13 inches)
  • Mixing bowls
  • Whisk
  • Spatula
  • Measuring cups and spoons

Importance of Each Tool

  • Baking dish: A 9×13 inch dish is ideal for even cooking and portioning your bars perfectly.
  • Mixing bowls: Using different sizes helps in organizing ingredients while mixing efficiently.
  • Spatula: This tool is essential for spreading the filling evenly and serving your bars neatly.

Ingredients

For the Crust and Topping

  • Rolled oats: 2 cups
  • All-purpose flour: 1 cup
  • Brown sugar: 1/2 cup
  • Unsalted butter: 1/2 cup, melted
  • Salt: 1/4 teaspoon

For the Lemon Filling

  • Fresh lemon juice: 1/2 cup
  • Zest of one lemon: from one medium lemon
  • Granulated sugar: 3/4 cup
  • Cornstarch: 1/4 cup
  • Agar-agar powder: 1 teaspoon (as a gelling agent)

How to Make Lemon Oatmeal Crumble Bars

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C). This ensures that your Lemon Oatmeal Crumble Bars bake evenly.

Step 2: Prepare the Crust and Topping Mixture

In a mixing bowl:
1. Combine rolled oats, all-purpose flour, brown sugar, melted butter, and salt.
2. Mix until crumbly; reserve half of this mixture for topping.

Step 3: Press the Mixture into the Baking Dish

  1. Grease your baking dish lightly.
  2. Press the remaining oat mixture firmly into the bottom of the dish to form an even layer.

Step 4: Make the Lemon Filling

In another bowl:
1. Whisk together fresh lemon juice, lemon zest, granulated sugar, cornstarch, and agar-agar powder until smooth.
2. Pour this mixture over the crust in the baking dish.

Step 5: Add the Topping

Sprinkle the reserved oat crumble evenly over the lemon filling.

Step 6: Bake

Place in preheated oven and bake for about 38 minutes or until golden brown on top.

Step 7: Cool & Serve

Allow the bars to cool completely in the pan before cutting into squares. Enjoy your delicious Lemon Oatmeal Crumble Bars!

How to Serve Lemon Oatmeal Crumble Bars

These Lemon Oatmeal Crumble Bars are versatile and delightful. They can be served in various ways to elevate your dessert experience.

Classic Serving

  • Serve the bars chilled for a refreshing treat. The lemon flavor shines when cold.

With Fresh Berries

  • Add a side of fresh berries like strawberries or blueberries. Their sweetness complements the tartness of the lemon.

Whipped Coconut Cream

  • Top with whipped coconut cream for a dairy-free alternative. This adds a rich, creamy texture that pairs perfectly with the bars.

Drizzle of Honey

  • Drizzle honey over the bars for extra sweetness. This enhances the lemon flavor and adds an appealing gloss.

Tea Pairing

  • Enjoy with a cup of herbal tea. The warmth of the tea balances the tangy bars beautifully.

How to Perfect Lemon Oatmeal Crumble Bars

Achieving the perfect Lemon Oatmeal Crumble Bars is easy with some helpful tips.

  • Use fresh lemons: For the best flavor, always use fresh lemons instead of bottled juice.
  • Chill before cutting: Allow bars to cool completely before slicing for clean edges.
  • Adjust sweetness: Taste your lemon filling and adjust sugar to your preference if needed.
  • Experiment with oats: Use rolled oats for a chewier texture or quick oats for a finer crumb.
  • Store properly: Keep them in an airtight container in the fridge to maintain freshness.

Best Side Dishes for Lemon Oatmeal Crumble Bars

Pairing side dishes with your Lemon Oatmeal Crumble Bars can enhance your dessert experience. Here are some great options:

  1. Vanilla Ice Cream: A scoop of vanilla ice cream adds creaminess and balances out the tartness.
  2. Fruit Salad: A light fruit salad brings freshness and color to your dessert table.
  3. Yogurt Parfait: Layer yogurt with granola and fruits for a healthy accompaniment.
  4. Cheese Platter: A selection of mild cheeses can create an interesting flavor contrast.
  5. Nut Mix: A mix of nuts provides crunch and complements the soft texture of the bars.
  6. Mint Tea: Refreshing mint tea offers a soothing beverage option alongside these tasty treats.
  7. Chocolate Covered Almonds: These add a sweet crunch that pairs well with lemon’s zestiness.
  8. Sparkling Water: Serve with sparkling water infused with lemon slices for a refreshing drink option.

Common Mistakes to Avoid

  • When making lemon filling, overcooking can lead to a rubbery texture. Cook just until thickened, stirring constantly.
  • Using old oats can affect texture and flavor. Always check the expiration date for freshness before using.
  • Forgetting to measure ingredients accurately may alter the balance of flavors. Use proper measuring cups and spoons for precise quantities.
  • Skipping the chilling time can result in a crumbly mess. Allow the bars to cool completely before cutting for clean slices.
  • Not using a non-stick pan or lining with parchment paper can make cleanup difficult. Always prepare your baking dish properly for easy removal.

Storage & Reheating Instructions

Refrigerator Storage

  • Store in an airtight container to keep them fresh.
  • Enjoy within 5-7 days for optimal taste and texture.

Freezing Lemon Oatmeal Crumble Bars

  • Wrap each bar in plastic wrap or aluminum foil.
  • Place wrapped bars in a freezer-safe bag; they can last up to 3 months.

Reheating Lemon Oatmeal Crumble Bars

  • Oven: Preheat to 350°F (175°C), place bars on a baking sheet, and heat for about 10-15 minutes until warm.
  • Microwave: Heat individual bars for about 15-20 seconds, checking frequently to prevent overheating.
  • Stovetop: Place in a skillet over low heat, cover with a lid, and warm gently for about 5 minutes.

Frequently Asked Questions

Lemon Oatmeal Crumble Bars are a delightful treat, and many have questions about their preparation and storage. Here are some common inquiries:

Can I use other fruits in Lemon Oatmeal Crumble Bars?

Yes! You can substitute lemon with other fruits like berries or apples for different flavors.

How do I know when the lemon filling is done?

The filling should be thick enough to coat the back of a spoon but not too thick that it becomes rubbery.

What can I use instead of butter in Lemon Oatmeal Crumble Bars?

You can use coconut oil or a plant-based butter alternative if you’re looking for a dairy-free option.

Can I make Lemon Oatmeal Crumble Bars gluten-free?

Absolutely! Just substitute regular oats with certified gluten-free oats.

How should I cut the bars for serving?

For even pieces, use a sharp knife and wipe it clean between cuts to avoid sticking.

Final Thoughts

These Lemon Oatmeal Crumble Bars are not only tangy and delicious but also versatile. You can easily customize them by adding nuts or swapping out fruits. Give this recipe a try; it’s perfect for any occasion!

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Lemon Oatmeal Crumble Bars

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Indulge in the delightful balance of tangy and sweet with our Lemon Oatmeal Crumble Bars. These scrumptious treats feature a buttery oat crust that cradles a creamy lemon filling, topped with a crunchy crumble for an irresistible texture. Perfect for gatherings, picnics, or a cozy afternoon snack paired with tea, these bars are not only easy to make but also customizable. Add your favorite nuts or dried fruits to the topping for an extra flavor boost. With their refreshing citrus flavor, these bars are sure to impress everyone who tries them!

  • Author: Angelica
  • Prep Time: 15 minutes
  • Cook Time: 38 minutes
  • Total Time: 53 minutes
  • Yield: Makes about 16 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 2 cups rolled oats
  • 1 cup all-purpose flour
  • 1/2 cup brown sugar
  • 1/2 cup unsalted butter (melted)
  • 1/4 teaspoon salt
  • 1/2 cup fresh lemon juice
  • Zest of one medium lemon
  • 3/4 cup granulated sugar
  • 1/4 cup cornstarch
  • 1 teaspoon agar-agar powder

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a mixing bowl, combine the rolled oats, all-purpose flour, brown sugar, melted butter, and salt until crumbly; reserve half for topping.
  3. Grease a 9×13-inch baking dish and press the remaining oat mixture firmly into the bottom to form the crust.
  4. In another bowl, whisk together fresh lemon juice, lemon zest, granulated sugar, cornstarch, and agar-agar powder until smooth. Pour over the crust.
  5. Sprinkle the reserved oat crumble evenly on top.
  6. Bake for about 38 minutes until golden brown. Allow to cool completely before cutting into squares.

Nutrition

  • Serving Size: 1 bar (44g)
  • Calories: 180
  • Sugar: 9g
  • Sodium: 60mg
  • Fat: 8g
  • Saturated Fat: 5g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 2g
  • Protein: 3g
  • Cholesterol: 15mg

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