If you love the comfort of a warm berry crumble but want something that fits into a healthy routine, these Berry Crumble Overnight Oats are the best of both worlds. They’re creamy, lightly sweet, and layered with jammy berries and a cinnamon crumble that makes breakfast feel like a treat.
This recipe balances whole grains, Greek yogurt, and chia seeds for steady energy and protein, while still delivering that nostalgic dessert-like flavor. It’s perfect for mornings when you want something cozy and satisfying without cooking.
Ideal for meal prep, busy weekdays, or anyone trying to stay consistent with clean eating, these high-protein overnight oats prove that healthy breakfasts don’t have to feel boring.
Servings: 4
Total Time: 8 hours 45 minutes (mostly chilling)
Difficulty: Easy–Medium
Calories per Serving: 407 kcal
Macros (per serving):
Protein: 17g | Carbs: 53g | Fat: 14g | Fiber: ~8g (estimate)
Look at the Recipe
- Jammy berry layer with cozy cinnamon flavor
- High-protein, fiber-rich, and filling
- Dessert-inspired breakfast perfect for meal prep
Ingredients Needed
For the Berry Layer
- 1½ cups frozen mixed berries
- 2 teaspoons chia seeds
- ¾ teaspoon light brown sugar
- 2 teaspoons lemon juice
- ¼ teaspoon ground cinnamon
- ¼ teaspoon salt
For the Oats
- 2¼ cups whole milk
- 2 cups old-fashioned rolled oats
- ½ cup reduced-fat plain Greek-style yogurt
- 1 teaspoon vanilla extract
- 1 tablespoon chia seeds
- 1 tablespoon light brown sugar
- 1¼ teaspoons ground cinnamon
For the Crumble Topping
- 3 tablespoons all-purpose flour
- 1 tablespoon light brown sugar
- 1½ tablespoons unsalted butter, melted
- ½ teaspoon ground cinnamon
- â…› teaspoon salt
How to Make Our Berry Crumble Overnight Oats
-
Cook the berries.
In a saucepan, combine frozen berries, 2 teaspoons chia seeds, ¾ teaspoon brown sugar, lemon juice, ¼ teaspoon cinnamon, and salt. Cook over medium-low heat for about 6 minutes, stirring occasionally, until berries burst and thicken. Cool, then refrigerate. -
Mix the oats.
In a medium bowl, stir together milk, oats, Greek yogurt, vanilla, remaining chia seeds, remaining brown sugar, and remaining cinnamon until well combined. Cover and refrigerate for at least 8 hours. -
Make the crumble topping.
Preheat oven to 350°F (175°C). Mix flour, brown sugar, melted butter, cinnamon, and salt until crumbly. Spread on a parchment-lined baking sheet and bake 5–7 minutes, until lightly toasted. Cool completely. -
Assemble.
Spoon about ½ cup oats into each jar, top with 3 tablespoons berry mixture, then add another ½ cup oats. -
Finish and serve.
Just before serving, sprinkle each jar with about 2 tablespoons crumble topping.
This recipe works beautifully as a high-protein breakfast that feels indulgent while still supporting balanced nutrition.
Storage & Serving Suggestions
- Store oats and berry layer covered in the refrigerator for up to 4 days.
- Keep crumble topping at room temperature in an airtight container.
- Add the crumble just before eating to keep it crunchy.
Tips & FAQs
Can I increase the protein in this recipe?
Yes. Add a scoop of vanilla or unflavored protein powder to the oat mixture.
Can I use fresh berries instead of frozen?
Absolutely. Cook them the same way, adding a splash of water if needed.
Is this recipe good for weight loss?
It can be when portioned properly. It’s filling, fiber-rich, and balanced.
Can I make this dairy-free?
Yes. Use plant-based milk and dairy-free yogurt alternatives.
Do I have to bake the crumble topping?
Baking gives the best texture, but you can skip it and use granola if needed.
