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Raspberry Crumble Bars Recipe

 Raspberry Crumble Bars Recipe: The Ultimate Fruity Snack You Need to Try

Raspberry Crumble Bars Recipe


If you're craving a delicious treat that's fruity, wholesome, and easy to make, Raspberry Crumble Bars are the perfect answer. These bars combine a buttery oat base, a tangy-sweet raspberry filling, and a crumbly golden topping. Perfect for breakfast, dessert, or a quick snack, they’re a hit with both kids and adults.

There’s something comforting about homemade fruit bars. The warmth of the oven, the smell of berries bubbling through golden crumble, and the satisfying slice of a bar that holds together perfectly — it’s more than just a dessert. It’s a moment of joy. Whether you’re baking these for a picnic, packing school lunches, or meal-prepping snacks for the week, Raspberry Crumble Bars deliver on flavor, simplicity, and nutrition.

In this post, we’ll guide you through a step-by-step Raspberry Crumble Bars recipe using U.S. measurements, share pro tips, nutritional insights, and answer frequently asked questions. Whether you’re new to baking or a seasoned home chef, this is one recipe you’ll want to keep in your rotation.

Why You'll Love These Raspberry Crumble Bars

  • Wholesome Ingredients: Made with oats, honey, coconut oil, and real raspberries.

  • Easy to Make: No mixer or fancy equipment needed.

  • Versatile: Use fresh or frozen raspberries, and easily adapt to other berries.

  • Perfect Texture: Soft, chewy base with a fruity center and a crisp crumbly top.

  • Naturally Sweetened: No refined sugar, just natural sweetness from honey or maple syrup.

  • Kid-Friendly & Portable: Great for lunchboxes or grab-and-go snacks.

Ingredients (Makes 12 Bars)

For the crust and crumble topping:

  • 1 1/2 cups oat flour (or finely ground rolled oats)

  • 1/2 cup melted coconut oil or unsalted butter

  • 1/4 cup honey or maple syrup

  • 1 teaspoon vanilla extract

  • 1/2 teaspoon baking soda

  • Pinch of salt

For the raspberry filling:

  • 1 3/4 cups fresh or frozen raspberries

  • 1 tablespoon cornstarch

  • 1 tablespoon lemon juice

  • 1–2 tablespoons honey or maple syrup (depending on how sweet you want it)

Instructions

Step 1: Preheat and prep
Preheat your oven to 350°F (175°C). Line an 8x8-inch (20x20 cm) baking pan with parchment paper for easy removal.

Step 2: Make the base and topping
In a mixing bowl, combine oat flour, baking soda, salt, melted coconut oil, honey, and vanilla. Stir until the dough comes together in a slightly crumbly texture.

Step 3: Form the base
Press about two-thirds of the dough evenly into the bottom of your prepared pan. Use the back of a spoon or your fingers to pack it tightly.

Step 4: Mix the filling
In a separate bowl, gently toss raspberries with lemon juice, cornstarch, and honey. Make sure the berries are well-coated but not crushed.

Step 5: Assemble
Spread the raspberry mixture evenly over the base. Crumble the remaining dough over the top, leaving some berries peeking through.

Step 6: Bake
Bake for 30–35 minutes or until the top is golden brown and bubbly. The aroma alone is worth the wait!

Step 7: Cool and slice
Let the bars cool in the pan for at least 20 minutes, then refrigerate for 1 hour before slicing. This helps them firm up for clean cuts.

Nutrition Information (Per Bar)

  • Calories: 180 kcal

  • Protein: 2g

  • Fat: 10g

  • Carbohydrates: 20g

  • Fiber: 2g

  • Sugar: ~8g

Total batch weight: ~22 oz (620 g)
Total prep and cook time: ~50 minutes plus cooling

Pro Tips for Perfect Crumble Bars

  • Don’t skip the parchment paper: It makes cleanup easier and prevents sticking.

  • Use chilled coconut oil for a firmer crumble: If you prefer a chunkier topping, use room temperature or slightly chilled coconut oil.

  • Sweetness levels vary: Taste your raspberries first. If they're super tart, add an extra tablespoon of honey.

  • Want a gluten-free version? Use certified gluten-free oats to make your oat flour.

  • Let them cool fully: It may be tempting to dig in early, but a chilled bar holds together much better.

Health Benefits of the Ingredients

Oat Flour – High in fiber and beta-glucan, oat flour supports heart health, keeps you full longer, and aids in digestion.

Coconut Oil – Contains medium-chain triglycerides (MCTs), which may support energy levels and fat metabolism.

Raspberries – A great source of antioxidants, vitamin C, and dietary fiber. They're also low in sugar compared to other fruits.

Honey/Maple Syrup – Natural sweeteners that contain trace minerals and offer a less processed option than refined sugar.

Lemon Juice – Adds brightness to the filling while providing vitamin C and supporting digestion.

Variations to Try

  • Mixed Berries: Replace half of the raspberries with blueberries or blackberries.

  • Nutty Crust: Add 1/4 cup chopped walnuts or pecans to the crumble topping.

  • Chocolate Drizzle: Once cooled, drizzle melted dark chocolate over the bars for an indulgent twist.

  • Spiced Crust: Add a dash of cinnamon or cardamom to the oat mixture for a cozy flavor boost.

Frequently Asked Questions

Can I freeze Raspberry Crumble Bars?
Absolutely. Slice them and freeze in an airtight container with parchment between layers for up to 3 months.

Can I use raspberry jam instead of fresh fruit?
Yes, but opt for low-sugar or homemade jam. Keep in mind it will be sweeter and less tart.

How do I store them?
Store in the refrigerator in an airtight container for up to 5 days. You can also keep them at room temperature for up to 2 days.

Can I double the recipe?
Yes, double all ingredients and use a 9x13-inch baking dish. Add a few extra minutes to baking time.

Can I make these vegan?
Yes, simply use maple syrup instead of honey and make sure your butter substitute is plant-based.

Are these bars breakfast-worthy?
Definitely! They provide fiber, healthy fats, and fruit — a balanced start when paired with yogurt or a smoothie.

Serving Ideas

  • With Coffee or Tea: These bars pair perfectly with your morning brew.

  • Pack for Picnics: Wrap them individually for a mess-free treat.

  • Top with Yogurt: Serve a warm bar with a dollop of Greek yogurt and a drizzle of honey.

  • Dessert Platter: Slice into mini squares and serve on a dessert board with fruit, chocolate, and nuts.

Final Thoughts

Raspberry Crumble Bars are a delightful combination of flavor, texture, and nutrition. They’re easy to make, kid-friendly, and endlessly customizable. Whether you enjoy them with your morning coffee, pack them in a lunchbox, or serve them for dessert, they’re sure to please.

What we love most about these bars is their balance — just sweet enough, just wholesome enough, and always satisfying. If you're trying to reduce refined sugar and processed snacks, this recipe is a delicious step forward.

Try this recipe once, and you’ll be hooked. Don’t forget to snap a photo and tag us if you make it — we love seeing your creations!

Looking for more healthy treats? Check out our other easy snack recipes [here].

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