Baked Berry Oat Crumble

Jump to Recipe Print Recipe
Baked Berry Oat Crumble

There’s something so comforting about a warm berry crumble fresh from the oven – especially when it’s nourishing enough for breakfast and cozy enough for dessert. This simple berry crumble brings together juicy blueberries and blackberries with a lightly sweetened oat topping that’s golden, crisp, and perfectly soft underneath.

It’s the kind of recipe you can meal prep for busy mornings, serve warm with yogurt for a grounding start to the day, or dress up with ice cream for an easy weeknight treat. Naturally sweetened, packed with fiber, and endlessly customizable, this crumble is proof that feel-good food can still taste indulgent.

How It Can Support Inflammation and Endometriosis

If you are navigating endometriosis or chronic inflammation, choosing ingredients that gently support your body can make a real difference – and this crumble was created with that in mind.

Berries like blueberries and blackberries are rich in antioxidants, which help combat oxidative stress and support your body’s natural inflammatory response. Rolled oats and oat flour provide slow-digesting carbohydrates and fiber to help stabilize blood sugar (a big win for hormone balance), while ground flaxseed offers plant-based omega-3s that may help calm inflammation.

Using coconut sugar keeps the sweetness lower on the glycemic scale, and fresh lemon juice adds brightness while supporting digestion. Altogether, this recipe focuses on whole, simple ingredients that nourish without overwhelming – making it a gentle, comforting option whether you are managing endo symptoms or just aiming to eat more anti-inflammatory foods.

Why You Will Love This Recipe

  • Breakfast or dessert friendly – equally delicious with yogurt in the morning or ice cream at night
  • Easy meal prep – stores beautifully in the fridge for quick grab-and-go portions
  • Naturally sweetened with coconut sugar
  • Packed with fiber and antioxidants from oats, flaxseeds, and berries
  • Simple ingredients you probably already have on hand
  • Flexible – swap in whatever berries you have or vegan and gluten-free ingredients
  • Comforting but nourishing – cozy vibes without the sugar crash

Whether you are craving something warm and grounding or looking for a make-ahead dish that supports your wellness goals, this berry crumble checks all the boxes.

Baked Berry Oat Crumble

This Baked Berry Oat Crumble is a cozy, naturally sweet dish that works beautifully as either a healthy breakfast or an easy dessert. Juicy blueberries and blackberries bake down into a warm, jammy base while a golden oat topping adds just the right amount of crunch.
Finished with creamy vanilla yogurt, this feels indulgent yet nourishing — perfect for meal prep mornings, weekend brunch, or when you’re craving something sweet without going overboard.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 8 servings
Course: Breakfast, Dessert
Cuisine: American
Ingredients Method Notes

Ingredients
  

Berry Base
  • 18 oz blueberries
  • 12 oz blackberries chopped
  • ¼ c coconut sugar
  • 1 tsp vanilla extract
  • 1 tsp lemon juice
Oat Crumble Topping
  • 1 c rolled oats
  • ¼ c coconut sugar
  • ½ c oat flour
  • 1 tbsp ground flaxseed
  • 1 tsp vanilla extract
  • ½ tsp cinnamon
  • ⅛ tsp salt
  • ¼ c butter melted
For Serving
  • Vanilla yogurt or ice cream for dessert

Method
 

Preheat the oven
  1. Preheat oven to 350°F and lightly grease a baking dish.
Prepare the berry layer
  1. In a large bowl, combine blueberries, blackberries, coconut sugar, vanilla extract, and lemon juice. Spread evenly in the bottom of the baking dish.
Make the oat crumble
  1. In another bowl, mix together rolled oats, coconut sugar, oat flour, flaxseed, vanilla extract, cinnamon, and salt. Pour in melted butter and stir until everything is evenly coated and crumbly.
Assemble
  1. Sprinkle the oat mixture evenly over the berries.
Bake
  1. Bake for 30 minutes, or until the topping is lightly golden and the berries are bubbling around the edges.
Cool & serve
  1. Let cool slightly before serving.
  2. Spoon warm crumble into bowls and top with vanilla yogurt for a comforting breakfast, or enjoy as a dessert with ice cream.

Notes

  • This is perfect for meal prep — store in airtight containers in the fridge for up to 4 days.
  • Reheat gently in the microwave or oven.
  • Delicious served warm or cold with yogurt.
  • You can swap in any berries you have on hand.

Related Posts