Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie

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By Gianna Poulef

Chocolate Oatmeal Banana Brownie

Thank you so much for stopping by my kitchen today! I’m absolutely thrilled to share a recipe that’s equal parts healthy, indulgent, and cozy: my Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie. This gem is naturally sweetened with ripe banana and honey, packed with protein from Greek yogurt, and has that fudgy, chocolatey richness we all crave—but without the guilt.

If you’re someone who loves sneaking healthier ingredients into desserts (like me—my nonna used to hide zucchini in cakes!), you’ll fall head over heels for this brownie. It’s perfect for busy weekdays, meal prep snacks, or even a wholesome treat after dinner.

Be sure to subscribe to my email list so you never miss recipes like this one—I’ve got so many more healthy dessert twists coming your way!

Overview of Recipe Content

This Greek Yogurt Chocolate Oatmeal Banana Brownie is a cross between a fudgy brownie and a soft-baked oatmeal bar. It’s dense, moist, chocolate-forward, and naturally sweet with just the right hint of banana. Best of all? It’s nutrient-rich and comes together in one bowl.

Why you’ll love it:

  • Wholesome ingredients (no refined sugar or butter!).
  • Naturally gluten-free if you use certified gluten-free oats.
  • A healthier sweet treat that doesn’t taste “healthy.”
  • Kid-friendly, snack-friendly, and freezer-friendly!

What it tastes like: Imagine a rich brownie crossed with banana bread—soft, moist, chocolatey, and slightly nutty from the peanut butter.

Health perks:

  • Greek yogurt = extra protein + creaminess.
  • Oats = heart-healthy fiber.
  • Banana + honey = natural sweetness without processed sugar.
  • Peanut butter = healthy fats to keep you full longer.

Ingredients you’ll need:

  • 1 ripe banana (mashed)
  • ½ cup Greek yogurt
  • ¼ cup peanut butter
  • 2 tablespoons honey or maple syrup
  • 1 egg
  • ¼ cup cocoa powder
  • ½ cup oat flour
  • ¼ cup rolled oats
  • ¼ teaspoon baking powder

Tools needed:

  • Mixing bowl
  • Fork (for mashing banana)
  • Whisk
  • Baking dish (8×8 recommended)
  • Parchment paper

Suggested substitutions and additions:

  • Swap peanut butter for almond butter or sunflower seed butter (nut-free option).
  • Replace honey with maple syrup for a vegan-friendly sweetener.
  • Stir in dark chocolate chips, walnuts, or shredded coconut for extra texture.
  • Add a sprinkle of sea salt on top before baking for that sweet-salty magic.

How to Make Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie

Let’s walk through it step by step. Don’t worry—it’s simple and forgiving.

  1. Preheat your oven to 350°F (175°C). Line your baking dish with parchment paper.
  2. Mash the banana in a large bowl until smooth—this is your natural sweetener and binder.
  3. Add the wet ingredients: stir in Greek yogurt, peanut butter, honey, and the egg until creamy.
  4. Mix in the dry ingredients: sift in cocoa powder, oat flour, rolled oats, and baking powder. Stir until just combined.
    Tip: don’t overmix—just fold until you don’t see dry patches.
  5. Pour into the baking dish and spread evenly with a spatula.
  6. Optional add-ins: sprinkle dark chocolate chips or nuts on top.
  7. Bake for 20–25 minutes, until the center is set but still soft.
  8. Cool completely before slicing into squares. These brownies are fudgier the next day!

What to Serve with Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie

These brownies are versatile! Serve them:

  • With a dollop of extra Greek yogurt and berries for a balanced snack.
  • With a drizzle of warm peanut butter for dessert.
  • Alongside a cup of coffee or tea for an afternoon pick-me-up.
  • As part of a healthy brunch spread with Protein Cookie Dough or Healthy Egg Muffins.

Tips for Making It Perfect

  • Use a very ripe banana—brown spots = sweeter brownies.
  • Don’t overbake. These brownies are best slightly underdone so they stay fudgy.
  • For thicker brownies, use a smaller baking dish.
  • Chill before slicing for clean edges.

Storage Instructions

  • Room temp: Store in an airtight container up to 2 days.
  • Fridge: Keeps well for 5–6 days.
  • Freezer: Freeze squares in a freezer bag up to 3 months. Thaw overnight or microwave for 20 seconds before serving.

General Information

Brownies have been around since the late 1800s, but this healthier twist leans on Greek yogurt and oats for a modern, protein-packed upgrade. Perfect for back-to-school lunchboxes, post-workout snacks, or cozy winter baking when bananas are extra sweet and ripe.

Frequently Asked Questions

1. Can I make this recipe vegan?
Yes! Swap the egg for a flax egg and use dairy-free yogurt.

2. Can I use regular flour instead of oat flour?
Absolutely—substitute 1:1 with all-purpose flour.

3. Can I double the recipe?
Yes, just bake in a 9×13 pan and increase the baking time slightly.

4. Do these taste strongly of banana?
Not really—the cocoa powder and peanut butter balance it out beautifully.

5. Can I meal prep these?
Yes! Bake, slice, and store in the freezer for quick grab-and-go snacks.

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Conclusion

These Healthy Greek Yogurt Chocolate Oatmeal Banana Brownies are proof that wholesome desserts can be just as satisfying as traditional ones. With fudgy texture, rich chocolate flavor, and nourishing ingredients, they’re destined to become a family favorite.

If you loved this recipe, try my Protein Pancakes or Chocolate Protein Smoothie for more guilt-free chocolate indulgence.

Happy baking, friends—and don’t forget to tag me on Pinterest when you share your brownies!

Interactive Elements

I’d love to see how your brownies turn out! Leave a comment below with your favorite add-ins—or share a photo and tag me on Pinterest.

Nutritional Information (per square, 9 servings)

CaloriesProteinCarbsSugarFatFiber
1657g19g9g7g3g
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Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie


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  • Author: Poulef
  • Total Time: 35 minutes
  • Yield: 9 servings 1x
  • Diet: Vegetarian

Description

These Healthy Greek Yogurt Chocolate Oatmeal Banana Brownies are fudgy, naturally sweetened, and packed with protein. Perfect for a healthy snack or guilt-free dessert.


Ingredients

Scale

1 ripe banana (mashed)

½ cup Greek yogurt

¼ cup peanut butter

2 tablespoons honey or maple syrup

1 egg

¼ cup cocoa powder

½ cup oat flour

¼ cup rolled oats

¼ teaspoon baking powder


Instructions

1. Preheat oven to 350°F (175°C). Line a baking dish with parchment paper.

2. Mash banana in a large bowl until smooth.

3. Stir in Greek yogurt, peanut butter, honey, and egg until creamy.

4. Mix in cocoa powder, oat flour, rolled oats, and baking powder. Stir until just combined.

5. Pour batter into the baking dish, spreading evenly. Add toppings if desired.

6. Bake for 20–25 minutes until center is set.

7. Cool completely before slicing into squares.

Notes

For a vegan option, use a flax egg and dairy-free yogurt.

Add chocolate chips or nuts for extra flavor.

Best enjoyed slightly chilled for extra fudginess.

  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 square
  • Calories: 165
  • Sugar: 9g
  • Sodium: 70mg
  • Fat: 7g
  • Saturated Fat: 2g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 19g
  • Fiber: 3g
  • Protein: 7g
  • Cholesterol: 35mg
Healthy Greek Yogurt Chocolate Oatmeal Banana Brownie
Gianna Poulef
CEO, Chef & Recipe Creator at BLYNO LLC | Website

I’m Gianna Poulef from Poulef Recipes. I love sharing perfected dishes from my kitchen. I’m sure they’ll earn a spot in your heart. Let’s savor this journey together!.

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