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Ginormous Blueberry Muffin Recipe

Because sometimes a regular muffin just isn’t big enough for your cravings — or your giant.

If you’ve ever wished your blueberry muffin lasted longer than the walk from the kitchen to the couch, buckle up, friend — this Ginormous Blueberry Muffin is about to make your baking dreams come true. Inspired by the whimsical world of How to Feed a Hungry Giant (a fun read if you love oversized food adventures — you can peek at my thoughts in this children’s book review), this mega‑muffin is part breakfast, part dessert, and entirely irresistible.

Imagine everything you love about a classic blueberry muffin — the fluffy crumb, the juicy berries, the sweet cinnamon‑kissed topping — but supersized into a shareable (or not‑so‑shareable) centerpiece. It’s the kind of bake that makes kids giggle, brunch guests swoon, and grown‑ups suddenly very protective of “their slice.”

Whether you’re hosting brunch, surprising the family, or simply treating yourself to something spectacular, this giant blueberry muffin cake delivers big flavor in every wedge.

Why You’ll Love This Giant Blueberry Muffin

This oversized beauty isn’t just fun — it’s downright delicious. Here’s why it deserves a spot in your baking rotation:

Moist, fluffy texture with juicy blueberries in every bite
A playful twist on classic blueberry muffins (giant food = instant joy)
Simple pantry ingredients you probably already have
Doubles as breakfast or dessert — your call
Kid‑approved and perfect for themed baking days
A great companion to your favorite morning bakes like Espresso Chocolate Chip Muffins or these cozy Moist Coffee Cake Muffins

Ingredients

For the Topping

Vegetable oil (for greasing pan)
1 teaspoon ground cinnamon
1 tablespoon unsalted butter, chilled and finely chopped
2 tablespoons all-purpose flour
1 teaspoon light brown sugar

For the Muffin

2 cups all-purpose flour (plus extra for dusting pan)
1 ½ teaspoons baking powder
1 teaspoon baking soda
½ teaspoon salt
4 tablespoons (½ stick) unsalted butter, room temperature
⅔ cup granulated sugar
2 large eggs, room temperature
½ cup whole milk, room temperature
1 cup sour cream, room temperature
2 cups fresh or frozen blueberries (thawed and drained if frozen)

Directions: How to Make a Ginormous Blueberry Muffin

1. Preheat and Prepare the Pan

Preheat oven to 350°F. Lightly grease an 8‑inch round cake pan with butter or vegetable oil. Dust with flour and tap out the excess.

2. Make the Cinnamon Crumble Topping

In a small bowl, combine cinnamon, butter, flour, and brown sugar. Use your fingers to pinch and mix until crumbly. Set aside.

3. Mix Dry Ingredients

In a medium bowl, whisk together flour, baking powder, baking soda, and salt.

4. Cream Butter and Sugar

In a large bowl, beat butter and sugar with an electric mixer until light and fluffy.

5. Add Wet Ingredients

Add eggs one at a time, mixing well after each. Blend in milk and sour cream until smooth.

6. Combine Wet and Dry Mixtures

Gradually add the dry ingredients to the wet mixture, stirring just until combined.

7. Fold in Blueberries

Gently fold in blueberries, being careful not to crush them.

8. Assemble and Bake

Pour batter into the prepared pan. Sprinkle evenly with crumble topping. Bake for 40–45 minutes, or until a knife inserted in the center comes out clean.

9. Cool and Serve

Let cool slightly before slicing into wedges. Serve warm or at room temperature.

Expert Tips for the Best Giant Muffin

Room‑temperature ingredients = smoother batter and even baking
Toss blueberries in flour to prevent sinking
Don’t overmix — it keeps the crumb tender
Check at 40 minutes to avoid overbaking
Frozen berries work great when thawed and drained

If you love baking tips, you might also enjoy my deep dive on whether or butter is better for cakes.

Variations & Creative Ideas

This giant muffin is a blank canvas for flavor fun:

Swap blueberries for raspberries or mixed berries
Add lemon zest for a bright citrus twist
Sprinkle coarse sugar on top for bakery‑style crunch
Double the crumble for a giant streusel muffin cake
Fold in white chocolate chips for extra sweetness
Try a zucchini‑blueberry mashup inspired by my Blueberry Zucchini Bread

Serving Suggestions

This muffin is versatile enough for any moment:

Slice like a cake and serve with coffee or tea
Add whipped cream for dessert
Pair with yogurt for a balanced breakfast
Serve warm with a pat of butter
Enjoy alongside fall favorites like Apple Streusel Muffins or Pumpkin Spice Muffins

FAQs

Can I use frozen blueberries?

Yes! Just thaw and drain them first to avoid excess moisture.

Can I make this ahead of time?

Absolutely. Store covered at room temperature for up to 2 days or refrigerate for longer freshness.

Can I bake this in a different pan?

Yes — just adjust the baking time. A loaf pan may take longer.

Can I turn this into muffins instead?

Definitely. Scoop into a muffin tin and bake 18–22 minutes. Try pairing with my Mini Cinnamon Muffins for a fun breakfast spread.

More Delicious Muffins & Bakes to Try

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Final Thoughts

This Ginormous Blueberry Muffin proves that bigger really is better — especially when it comes to baked goods. With its tender crumb, juicy bursts of blueberry, and buttery cinnamon crumble, it transforms an ordinary day into something special.

Whether you’re baking for family, brunch guests, or simply indulging in a well‑earned treat, this oversized muffin is guaranteed to impress. Slice it warm, share it generously, and enjoy every giant, delicious bite.

This recipe was originally published December 30, 2011, and updated April 13, 2026, with improved instructions, updates, and new photos.