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DESSERTS / Strawberry Oatmeal Bars with Crumble Topping

Strawberry Oatmeal Bars with Crumble Topping

June 10, 2026 by

Biting into a warm, freshly baked strawberry oatmeal bar, you can taste the sweet and tangy strawberries perfectly balanced with the crumbly oat topping. These Strawberry Oatmeal Bars with Crumble Topping are a delightful treat that takes just about an hour from start to finish, bringing together wholesome ingredients for a deliciously satisfying snack. It’s the perfect way to enjoy fresh strawberries while creating a comforting dessert that everyone will love.

This recipe is ideal for anyone looking for a quick yet wholesome dessert, especially during the summer when strawberries are at their peak. Whether you’re hosting a picnic, enjoying family game night, or just craving something sweet, these bars won’t disappoint. You can prepare them ahead of time and store them in an airtight container for quick snacking throughout the week.

Why You’ll Love This Recipe

  • The combination of oats and strawberries offers a fantastic balance of textures.
  • The crumble topping adds a delightful crunch to each bite.
  • They are quick to prepare, with minimal hands-on time.
  • Perfect for gatherings, they can be served warm or at room temperature.

What You’ll Need

Gather these ingredients to create your delicious bars.

For the Base

  • 2 cups rolled oats
  • 1 cup all-purpose flour
  • 1/2 cup brown sugar
  • 1/2 cup granulated sugar
  • 1/2 cup unsalted butter, melted
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon salt

For the Filling

  • 2 cups fresh strawberries, sliced
  • 1 tablespoon lemon juice
  • 1 tablespoon cornstarch
  • 1 teaspoon cinnamon

Use fresh strawberries for best flavor.

Substitutions & Swaps

  • Use coconut oil for butter.
  • Swap half of the rolled oats for almond flour.
  • Add nuts for extra crunch.
  • Replace granulated sugar with honey.

How to Make It

Follow these steps for a scrumptious treat.

Preheat

Preheat your oven to 350°F (175°C) and grease a baking pan.

Mix

In a large bowl, mix together the oats, flour, brown sugar, granulated sugar, melted butter, vanilla extract, and salt until crumbly.

Strawberry Oatmeal Bars with Crumble Topping

Press

Press half of the oat mixture into the bottom of the prepared baking pan.

Combine

In another bowl, combine strawberries, lemon juice, cornstarch, and cinnamon. Pour the strawberry mixture over the base layer.

Sprinkle

Sprinkle the remaining oat mixture on top of the strawberries.

Bake

Bake for 25-30 minutes until golden brown. Check for a firm texture in the center.

Cool

Allow to cool before slicing into bars.

How to Store It

Fridge: Store in an airtight container for up to 5 days.
Freezer: Yes, they freeze well for up to 2 months if well-wrapped.
Reheat: Microwave for 15-20 seconds before serving.

Tips for Best Results

  • Ensure strawberries are ripe for the best sweetness.
  • Don’t skip the chilling step before slicing for cleaner cuts.
  • Adjust cinnamon based on your spice preference for more flavor.
  • Allow bars to cool completely for optimal firmness.

Serving Suggestions

  • Serve with a dollop of whipped cream for dessert.
  • Pair with a scoop of vanilla ice cream for a delicious twist.
  • Enjoy alongside a cup of tea or coffee for a cozy afternoon snack.

Strawberry Oatmeal Bars with Crumble Topping

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