Strawberry Oatmeal Bars are the recipe that Teresa makes every summer strawberry season when she wants to create the most completely extraordinary and most deeply versatile treat that is simultaneously the most beautifully wholesome breakfast bar, the most convenient afternoon snack, and the most genuinely satisfying light dessert — all in the same most simple and most effortlessly prepared individual bar that tastes exactly like the most beloved traditional summer strawberry crisp in the most completely practical and most perfectly portable convenient bar format.
She stirs the oats and flour and cinnamon and salt and sugar and baking powder into the most beautifully fragrant dry mixture, works the oil through until the most crumbly and most properly streusel-like texture forms, presses two thirds firmly into the pan, layers the most beautiful fresh strawberry filling tossed with cornstarch and maple syrup on top, crumbles the remaining oat mixture over the surface, presses firmly, and bakes for the most completely golden and most deeply fragrant forty-five minutes.
Strawberry Oatmeal Bars are the most easy and deeply wholesome healthy summer bars made with quick or rolled oats flour sugar cinnamon baking powder salt and oil pressed in layers with a fresh strawberry cornstarch and maple syrup filling baked at 350°F for 45 minutes. Come follow us on Pinterest where we share beautiful healthy recipe favorites and easy summer baking favorites from our kitchen every single week.
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Why You Will Love This Strawberry Oatmeal Bars Recipe

This Strawberry Oatmeal Bars recipe is the most completely extraordinary and most genuinely wholesome summer bar that uses less sugar than any packaged breakfast bar alternative, packs the most beautiful natural fiber from whole oats and the most vibrant vitamins from fresh strawberries, takes only forty-five minutes from start to oven, and produces a bar so genuinely and completely delicious that no person who eats one ever suspects even for a moment that it is simultaneously the most healthy and the most nourishing snack bar available.
At only 100 calories per square when cut into sixteen pieces, these strawberry oatmeal bars are the most completely balanced and most guilt-free summer treat that delivers over two grams of protein and close to three grams of fiber per serving while tasting like a genuinely indulgent summer dessert bar. Our Sausage and Egg Casserole makes a beautifully equally wholesome and equally crowd-feeding companion for a complete and wonderful healthy summer gathering collection.
Ingredients Needed for This Strawberry Oatmeal Bars Recipe
- 1½ cups (150g) Quick Oats or Rolled Oats
- ⅔ cup (80g) All-Purpose Flour, spelt flour, oat flour, or gluten-free all-purpose
- ½ cup (100g) Granulated or Brown Sugar
- ½ tsp Ground Cinnamon
- ½ tsp Baking Powder
- ¼ tsp Salt
- ½ cup (100g) Vegetable Oil, melted coconut oil, or melted butter
- 2½ cups (300g) Fresh or Frozen (thawed and drained) Strawberries, diced
- 1½ tsp Cornstarch or Arrowroot Powder
- 1 tbsp Pure Maple Syrup or Sweetener of choice
How to Make This Strawberry Oatmeal Bars Recipe
Preheat the oven to 350°F. Grease an eight-inch square baking pan generously or line with parchment paper.
In a large bowl, stir together the oats, flour, cinnamon, salt, baking powder, and sugar until evenly combined. Stir in the oil or melted butter until the most crumbly and most properly oat-streusel texture forms throughout the mixture, cara mia.
Very firmly press two thirds of the oat mixture into the bottom of the prepared pan. Set the remaining one third aside.
In a medium bowl, stir together the diced strawberries, cornstarch, and maple syrup until the most evenly coated and most beautifully combined strawberry filling forms. Spread this strawberry filling evenly on top of the pressed oat base in the pan.
Sprinkle the reserved one third of the oat mixture over the top of the strawberry filling. Press down most firmly again.
Bake on the center rack for 45 minutes until the most beautifully golden and most fragrant result is achieved. Allow to cool completely at room temperature, then refrigerate for at least one hour before cutting. The bars firm up considerably during refrigeration and are most cleanly sliced when thoroughly chilled.
How to Serve This Strawberry Oatmeal Bars Recipe
Serve cold or at room temperature as the most completely extraordinary and most genuinely versatile strawberry oatmeal bar that is perfect at any moment of the day. Drizzle with natural peanut butter or melted coconut butter for the most completely indulgent and most deeply satisfying serving experience. Dust lightly with powdered sugar for the most beautifully elegant and most appetizing presentation.
For the most complete summer brunch spread, arrange on a beautiful board alongside yogurt and fresh berries for the most charming and most naturally vibrant presentation. Our Strawberry Shortcake Parfaits make a beautifully equally strawberry-vibrant and equally summery companion for a complete and wonderful fresh strawberry collection.
How to Store This Strawberry Oatmeal Bars Recipe
Store in an airtight container in the refrigerator for the most properly held and most cleanly sliceable bars. The strawberry oatmeal bars improve in flavor and texture during refrigerator storage as the berry juices meld most beautifully through the oat crumble layers. Double the recipe for a nine by thirteen-inch pan to serve a larger crowd with the same baking time.
Tips to Make This Strawberry Oatmeal Bars Recipe

Press both the base layer and the top crumble layer most firmly into the pan. Firmly pressed bars hold together most cleanly and are the most conveniently portable, while loosely packed bars crumble and fall apart. Use the flat bottom of a measuring cup to press with both hands for the most dense and most properly compacted base and the most gently but firmly pressed crumble topping.
Refrigerate for at least one hour before cutting into bars — overnight refrigeration is the most strongly recommended for the most beautifully firm and most cleanly sliceable result. Cutting the bars while warm or at room temperature produces crumbly and imprecise edges rather than the most beautifully defined individual bar shapes.
Helpful Notes for This Strawberry Oatmeal Bars Recipe
Do not use steel cut oats in this recipe. Steel cut oats are too coarse and too dense to produce the most properly chewy and most beautifully soft oat crumble texture that makes these bars so completely extraordinary. Quick oats produce the most uniform and most tender crumble. Old-fashioned rolled oats produce a slightly more textured and more rustic crumble. Either produces the most delicious result.
White sugar produces a slightly crispier oat topping while brown sugar produces the most beautifully soft and most deeply caramel-flavored bars. Both are equally delicious and the choice depends entirely on personal preference for texture and depth of sweetness.
Variation of This Strawberry Oatmeal Bars Recipe
Maria made a strawberry rhubarb version by substituting one cup of the diced strawberries with one cup of diced rhubarb for the most completely extraordinary and most beautifully classic summer strawberry rhubarb bar. Teresa tried using frozen raspberries in place of strawberries for the most vibrant and most deeply tart raspberry oatmeal bar.
For a peach oatmeal bar version, substitute the diced strawberries with the same quantity of diced fresh or frozen peaches and add a pinch of nutmeg to the oat mixture for the most completely extraordinary and most beautifully autumnal peach crumble bar. Our Strawberry Rhubarb Cheesecake Bars make a beautifully equally strawberry and equally bar-format companion for a complete and wonderful summer fruit bar collection.
FAQs About This Strawberry Oatmeal Bars Recipe
Can I use jam instead of fresh strawberries?
Yes. Replace the cornstarch, maple syrup, and half the fresh strawberries with one cup of the most high-quality strawberry preserves for the most convenient jam-filled oatmeal bar version. The flavor is slightly less vibrant and less naturally fresh than fresh berries but equally delicious and the most convenient alternative when fresh strawberries are unavailable.
Why must the bars be refrigerated before cutting?
The bars firm up considerably during the refrigerator chilling period as the strawberry filling sets and the oat crumble layers compact most effectively. Cutting the bars while warm or at room temperature produces crumbling and imprecise bar shapes rather than the most beautifully defined and most cleanly sliced individual bars. At least one hour of chilling — overnight is most ideal — produces the most perfectly firm and most elegantly cut bars.
Can I make these strawberry oatmeal bars gluten-free?
Yes. Use certified gluten-free oats and substitute the all-purpose flour with the same quantity of gluten-free all-purpose flour, oat flour, or spelt flour for the most complete gluten-free adaptation. Almond flour produces a more crumbly texture and coconut flour should be avoided due to its very different moisture absorption properties.
Conclusion
These Strawberry Oatmeal Bars are the most completely wholesome and most deeply extraordinary summer bars that make every breakfast and every afternoon snack and every light dessert moment feel genuinely and completely satisfied through the most naturally sweet fresh strawberry filling and the most beautifully cinnamon-fragrant chewy oat crumble layers in every single golden and completely irresistible strawberry oatmeal bar square. We hope they bring the same deeply joyful summer strawberry warmth and the same completely nourished gathering to your kitchen that they have always brought to ours. Make them, share them, and come back to tell us all about it. With all our love, Maria, Lucia, and Teresa.
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Strawberry Oatmeal Bars The Most Easy Healthy Oat Crumble Fresh Strawberry Summer Bar You Will Bake
- Total Time: 2 hours including cooling and chilling
- Yield: 16 bars 1x
Description
The most easy and wholesome Strawberry Oatmeal Bars made by preheating oven to 350°F stirring 1 1/2 cups oats 2/3 cup flour 1/2 cup sugar 1/2 tsp cinnamon 1/2 tsp baking powder and 1/4 tsp salt then stirring in 1/2 cup oil until crumbly firmly pressing 2/3 into greased 8-inch pan then stirring 2 1/2 cups diced strawberries 1 1/2 tsp cornstarch and 1 tbsp maple syrup spreading over base sprinkling reserved oat mixture over top pressing firmly baking 45 minutes on center rack cooling completely then refrigerating 1 hour before cutting into bars. Only 100 calories per square. A completely perfect healthy strawberry oatmeal bar recipe.
Ingredients
1 1/2 cups 150g Quick Oats or Rolled Oats
2/3 cup 80g Flour all-purpose spelt oat or gluten-free
1/2 cup 100g Granulated or Brown Sugar
1/2 tsp Ground Cinnamon
1/2 tsp Baking Powder
1/4 tsp Salt
1/2 cup 100g Vegetable Oil melted coconut oil or melted butter
2 1/2 cups 300g Fresh or Frozen thawed drained Strawberries diced
1 1/2 tsp Cornstarch or Arrowroot Powder
1 tbsp Pure Maple Syrup or sweetener of choice
Instructions
1. Preheat oven to 350°F. Grease 8-inch square pan or line with parchment.
2. Stir oats, flour, cinnamon, salt, baking powder, and sugar in large bowl.
3. Stir in oil or melted butter until crumbly streusel texture.
4. Very firmly press 2/3 of oat mixture into bottom of pan. Set remaining 1/3 aside.
5. Stir diced strawberries, cornstarch, and maple syrup in medium bowl until evenly coated.
6. Spread strawberry filling evenly over pressed oat base.
7. Sprinkle reserved oat mixture over filling. Press firmly.
8. Bake center rack 45 minutes until golden.
9. Cool completely at room temperature.
10. Refrigerate at least 1 hour. Overnight most recommended.
11. Slice into 9 or 16 bars when completely chilled.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Category: Breakfast, Snack, Dessert, Healthy
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 100
- Sugar: 8g
- Sodium: 55mg
- Fat: 4g
- Saturated Fat: 0g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 3g
- Protein: 2g
- Cholesterol: 0mg
Keywords: strawberry oatmeal bars, easy healthy strawberry oatmeal bars recipe fresh strawberries oat crumble, best vegan gluten free strawberry oatmeal bars, wholesome summer fruit bars
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