These spinach brownies have become my secret weapon for getting vegetables into dessert-loving kids and adults alike. After developing this recipe through two years of testing in my kitchen and countless trials with Liam and his friends, I've created brownies so rich and chocolatey that no one suspects they're packed with leafy greens. The genius lies in using frozen spinach processed until completely smooth, which adds incredible moisture and nutrients without any green flavor or visible specks.
Why You'll Love This Spinach Brownies Recipe
After sneaking these brownies into school bake sales, family gatherings, and Liam's playdates for over two years, I can tell you people are shocked at how good they taste. The texture is what gets everyone first - super fudgy and moist without being heavy like some healthy brownies turn out. Unlike regular brownies that can be too sweet or get dry quickly, these vegetable brownies stay soft and chewy for days because of the moisture from the spinach. What makes this recipe so great is how it fixes the problem every parent has - getting kids to eat their vegetables.
Plus, you can feel good about giving them out knowing each piece has extra vitamins and iron. The best part is watching people's faces when you tell them the secret after they've already said these are the best Spinach Brownies they've ever had. It's become my favorite thing to do at parties, and I love seeing other parents get excited about a dessert they can feel good about making. These sneaky vegetable brownies show that eating healthy doesn't mean you have to give up the treats you love. Whether you're trying to get more nutrition into your family or just want really moist brownies, this recipe works on every level without giving up taste or texture
Jump to:
- Why You'll Love This Spinach Brownies Recipe
- Ingredients For Spinach Brownies
- How To Make Spinach Brownies
- Equipment For Spinach Brownies
- Storing Your Spinach Brownies
- Substitutions
- Spinach Brownies Variations
- Top Tip
- My Mother's Secret Worth Sharing
- FAQ
- Time to Bake Some Sneaky Magic!
- Related
- Pairing
- Spinach Brownies
Ingredients For Spinach Brownies
The Chocolate Base:
- Dark chocolate cocoa powder
- Semi-sweet chocolate chips
- Brown sugar
- White sugar
- Vanilla extract
The Secret Veggie Magic:
- Frozen spinach
- Unsweetened applesauce
- Greek yogurt
- Large eggs
The Structure:
- All-purpose flour
- Baking powder
- Salt
- Coconut oil or butter
Optional Boosters:
- Mini chocolate chips
- Chopped walnuts
- Espresso powder
- Sea salt flakes
See recipe card for quantities.
How To Make Spinach Brownies
Prep Work:
- Preheat oven to 350°F
- Line 8x8 pan with parchment paper
- Thaw frozen spinach completely
- Squeeze out all excess water from spinach
- Let eggs come to room temperature
Blend the Secret Ingredient:
- Add drained spinach to blender
- Pour in applesauce and Greek yogurt
- Blend until completely smooth
- No green chunks should be visible
- Set aside this green mixture
Mix Dry Ingredients:
- Whisk cocoa powder, flour, and salt
- Add both sugars
- Mix in baking powder
- Set bowl aside
Combine Everything:
- Beat eggs and vanilla together
- Add melted coconut oil slowly
- Pour in spinach mixture
- Fold in dry ingredients gently
- Add chocolate chips last
Bake to Perfection:
- Pour batter into prepared pan
- Smooth top with spatula
- Bake 25-30 minutes
- Test with toothpick for doneness
- Cool completely before cutting
Equipment For Spinach Brownies
- High-speed blender or food processor
- 8x8 inch baking pan
- Parchment paper
- Large mixing bowl
- Fine-mesh strainer
- Rubber spatula
Storing Your Spinach Brownies
After making hundreds of batches for families and school events, here's how to keep them at their best:
Counter Storage (4 days):
- Cool completely before storing
- Airtight container with tight lid
- Room temperature only
- Cut into squares before storing
Refrigerator Storage (1 week):
- Wrap individual squares in plastic
- Store in sealed container
- Bring to room temperature before serving
- Stays extra fudgy when chilled
Freezer Magic (3 months):
- Wrap brownies individually in foil
- Place in freezer bags
- Label with date
- Thaw at room temperature 2 hours
Lunch Box Tips:
- Cut into individual portions
- Wrap in parchment paper
- Pack with ice pack in hot weather
- Perfect grab-and-go snack
Gift Giving:
- Package in decorative tins
- Include ingredient list (surprise them!)
- Store single layer to prevent sticking
- Best within 3 days for gifts
Substitutions
Having made these for friends with different dietary needs and picky eaters, these substitutions work great:
Flour Options:
- All-purpose → Almond flour (use ¾ the amount)
- Regular → Gluten-free flour blend
- White → Oat flour (grind oats yourself)
Sugar Alternatives:
- White sugar → Coconut sugar
- Brown sugar → Maple syrup (reduce other liquids)
- Regular → Stevia (follow package directions)
Oil Swaps:
- Coconut oil → Melted butter
- Regular → Avocado oil
- Standard → More applesauce (for oil-free)
Egg Replacements:
- Whole eggs → Flax eggs (1 tablespoon ground flax + 3 tablespoon water per egg)
- Regular → Chia eggs
- Standard → Commercial egg replacer
Dairy-Free Options:
- Greek yogurt → Coconut yogurt
- Regular → Cashew cream
- Dairy → Silken tofu (blended smooth)
Add-in Variations:
- Chocolate chips → Dairy-free chips
- Walnuts → Pecans or almonds
- Regular → Dried fruit pieces
Spinach Brownies Variations
Double Chocolate Spinach:
- Extra chocolate chips throughout
- Chocolate frosting on top
- Cocoa powder dusting
- Ultimate chocolate lover's dream
Peanut Butter Swirl:
- Swirl natural peanut butter into batter
- Top with chopped peanuts
- Extra protein boost
- Kid-approved combination
Mint Chocolate Chip:
- Add peppermint extract
- Fold in mini chocolate chips
- Green color hides perfectly
- Refreshing twist
Coffee Mocha Version:
- Add instant coffee powder
- Extra rich chocolate flavor
- Perfect for adults
- Morning treat option
Protein Power Brownies:
- Add vanilla protein powder
- Reduce flour slightly
- Post-workout treat
- Extra filling
Birthday Cake Style:
- Add colorful sprinkles
- Vanilla frosting
- Special occasion version
- Party-ready
Top Tip
- These nutritious Spinach Brownies actually taste better the next day after the flavors have had time to blend together. The chocolate gets richer and the texture becomes even more fudgy. I discovered this by accident when I made a batch for Liam's school bake sale and had to store them overnight. The next morning, I tried one before packing them up and was shocked at how much better they tasted compared to when they were fresh from the oven.
- The secret is that the spinach continues to release moisture slowly as the brownies sit, creating this incredible fudgy texture that's almost impossible to get with regular brownies. The cocoa powder also has time to fully hydrate, which deepens the chocolate flavor and makes each bite more intense. It's like the spinach is doing double duty - adding nutrition and improving the texture at the same time.
- I always make these brownies at least one day before I plan to serve them now, and I store them in an airtight container at room temperature. The difference between day-one brownies and day-two brownies is so noticeable that even Liam comments on how "extra chocolatey" they taste when we wait. It's become our little tradition to make them the night before any special occasion.
My Mother's Secret Worth Sharing
My mother stumbled upon her spinach brownies breakthrough completely by accident during one of her "clean out the freezer" cooking sessions back in 2018. She had been making her regular chocolate brownies when she realized we were out of butter, but she had some frozen spinach that needed to be used up. Instead of running to the store, she decided to experiment with blending the spinach with applesauce to replace some of the fat content, figuring the worst that could happen was we'd have to throw out one batch of brownies. What happened next changed how our family thinks about hidden vegetables forever.
What happened next changed how our family thinks about hidden vegetables forever. Not only did the brownies turn out incredibly moist and fudgy, but the spinach added this subtle earthiness that made the chocolate taste deeper and richer. Mom was so shocked by how good they were that she made three more batches that week, tweaking the recipe each time until she found the perfect balance. She even served them to my dad without telling him about the spinach, and he declared them the best brownies she'd ever made.
FAQ
What are the three types of brownies?
The three main types are fudgy, chewy, and cakey brownies. Fudgy brownies have more fat and less flour, chewy brownies balance fat and flour with extra eggs, and cakey brownies have more flour and leavening. These spinach brownies fall into the fudgy category thanks to the moisture from spinach and applesauce.
What replaces eggs in brownies?
Common egg replacements include flax eggs (1 tablespoon ground flax + 3 tablespoon water per egg), chia eggs, applesauce, or commercial egg replacers. For this spinach brownies recipe, flax eggs work particularly well since they add extra fiber and nutrients while maintaining the fudgy texture.
What does baked spinach taste like?
When properly prepared and blended smooth, baked spinach in these brownies tastes like nothing at all - it completely disappears into the chocolate flavor. The key is using frozen spinach, draining it well, and blending until completely smooth. Fresh spinach can have a stronger taste that might come through.
Is vegetable oil or butter better for brownies?
Both work well, but vegetable oil creates more tender, moist brownies while butter adds richer flavor. For these healthy spinach brownies, coconut oil gives the best of both worlds - moisture like oil with a subtle richness, plus it's a healthier fat option.
Time to Bake Some Sneaky Magic!
Now you have all the secrets to creating perfect spinach brownies - from my mother's squeeze-and-rest technique to the exact blending method that makes vegetables completely disappear into rich chocolate goodness. These brownies prove that eating healthy doesn't mean giving up the treats you love, and they've become my favorite way to add nutrition to dessert without any complaints from kids or adults. The best part is watching people's faces when they realize they've been enjoying vegetables in their dessert and asking for the recipe immediately.
Ready to expand your recipe collection with more crowd-pleasers? Satisfy your sweet tooth with our Easy Blueberry Cheesecake in 30 Minutes or Less that delivers bakery-quality results in record time. For holiday baking, try our The Best Cranberry Orange Cookies Recipe that brings festive flavors to any gathering. And when you want something savory and elegant, our Easy Crab Cakes Recipe in 30 Minutes creates restaurant-quality appetizers at home.
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Pairing
These are my favorite dishes to serve with Spinach Brownies
Spinach Brownies
Equipment
- High-speed blender (For pureeing spinach mixture)
- 8x8-inch baking pan (Square, lined with parchment)
- Parchment paper (To prevent sticking)
- Large mixing bowl (For combining ingredients)
- Fine-mesh strainer (To squeeze excess water)
- Rubber spatula (For folding and spreading)
Ingredients
- 1 cup Frozen spinach - Thawed, squeezed, and blended
- ½ cup Unsweetened applesauce
- ½ cup Greek yogurt - Plain
- 2 Large eggs - Room temperature
- ½ cup Brown sugar - Packed
- ¼ cup White sugar
- 1 teaspoon Vanilla extract
- ⅓ cup Coconut oil - Melted (or butter)
- ½ cup All-purpose flour
- ½ cup Dark cocoa powder - Unsweetened
- 1 teaspoon Baking powder
- ¼ teaspoon Salt
- ½ cup Semi-sweet chocolate chips - Optional
- ¼ cup Chopped walnuts - Optional
- ½ teaspoon Espresso powder - Optional for flavor depth
- Sea salt flakes - Optional topping
Instructions
- Preheat oven to 350°F (175°C). Line an 8x8-inch pan with parchment paper. Let eggs come to room temperature.
- Thaw spinach completely, then squeeze out all excess moisture. Blend spinach with applesauce and Greek yogurt until smooth. Set aside.
- In a large bowl, whisk cocoa powder, flour, salt, baking powder, brown sugar, and white sugar together.
- In a separate bowl, beat eggs with vanilla. Slowly whisk in melted coconut oil, then add spinach mixture. Mix until smooth.
- Gently fold dry ingredients into wet mixture until just combined. Stir in chocolate chips, nuts, or any optional add-ins.
- Pour batter into the prepared pan. Smooth the top and bake for 25–30 minutes. Let cool completely before cutting into squares.
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