Easiest Banana Crumb Cake Recipe (Seriously Simple & Delicious!)

Posted on October 21, 2023 by Kate

Desserts and Sweets

Introduction

Remember those cozy afternoons when the smell of something sweet baking filled the entire house? There’s something magical about banana bread, isn’t there? It’s a taste of home, a hug in cake form. Well, get ready to create some new delicious memories because I’ve got a recipe that takes that beloved banana flavor and elevates it with a delightful crumb topping. This Easy Banana Crumb Cake is a true game-changer – so simple, so satisfying, and I promise, it’ll be a hit with everyone!

Why You’ll Love This Recipe

  • Fast: Seriously, from start to finish, this cake comes together in a flash. Perfect for those last-minute sweet cravings!
  • Easy: No fancy techniques here! If you can mash a banana and stir, you can make this cake.
  • Giftable: Wrap up a slice (or a whole cake!) and share the deliciousness. It’s a thoughtful homemade gift.
  • Crowd-pleasing: The combination of moist banana cake and buttery, cinnamon-spiced crumb is universally loved.

Ingredients

Gathering your ingredients is the first step to baking bliss! Here’s what you’ll need:

  • 4 ripe bananas: The riper, the better! Those brown spots are pure flavor gold.
  • 1 teaspoon vanilla extract: A classic for a reason, it adds warmth and depth.
  • 14 ounces sweetened condensed milk: This is our secret weapon for a super moist and rich cake!
  • ¼ cup chopped pecans: For a lovely little crunch and nutty flavor. Walnuts work beautifully too!
  • 12 ounces Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix: This is the magic shortcut that makes this recipe so incredibly easy.
  • 1 stick salted butter, melted: Brings that irresistible buttery richness to the crumb topping.
  • 1-2 tablespoons caramel sauce (optional): A little drizzle takes this cake from delicious to divine.
  • Whipped cream (optional): For serving, because who doesn’t love a dollop of fluffy cream?

How to Make It

Alright, let’s get baking! This is where the magic happens.

  1. Preheat and prep: First things first, let your oven do its thing and preheat to 350°F (175°C). While it’s warming up, grab a 9×13 inch baking pan and give it a good grease and flour. This ensures your beautiful cake won’t stick.
  2. Mash those bananas: In a nice, big bowl, get those ripe bananas mashed up. I like to use a fork for a slightly chunky texture, but you can go smoother if you prefer.
  3. Sweeten it up: Stir in the vanilla extract and that can of sweetened condensed milk. Mix it all together until it’s beautifully combined and smooth. This is the base of our moist banana filling!
  4. Add some crunch: Toss in your chopped pecans and give it another quick stir. Set this mixture aside for a moment – it’s patient!
  5. Crumb topping time: In a separate medium bowl, pour in your Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix. Then, pour in that melted butter. Now, get your hands in there (my favorite part!) and mix it all up until it’s lovely and crumbly.
  6. Build the base: Take about half of that crumbly mixture and pour it into your prepared baking pan. Gently press it down with your hands or the bottom of a glass to create a nice, even base layer for your cake.
  7. Layer on the banana goodness: Carefully spread your banana and pecan mixture evenly over that crumb base. Try to get it as uniform as possible.
  8. Top it off: Sprinkle the remaining crumb topping evenly over the banana layer. Make sure to get it all the way to the edges for maximum crumbly goodness in every bite!
  9. Bake to perfection: Pop the pan into your preheated oven and bake for 35-45 minutes. You’ll know it’s done when a toothpick inserted into the center comes out clean.
  10. Cool down: Once it’s out of the oven, let your beautiful cake cool in the pan for at least 15 minutes. This helps it set up properly.
  11. The finishing touches: If you’re feeling fancy (and I highly recommend it!), drizzle some caramel sauce over the top. Serve it warm or at room temperature, and don’t forget a generous dollop of whipped cream if you like!

Substitutions & Additions

This recipe is fantastic as is, but it’s also a wonderful canvas for your own creativity! Here are a few ideas:

  • Nuts: Swap pecans for walnuts, or try slivered almonds for a different texture.
  • Spices: Add a pinch of cinnamon or nutmeg to the banana mixture for an extra layer of warmth.
  • Chocolate Chips: Who can resist chocolate? Fold in some mini chocolate chips into the banana mixture.
  • Citrus Zest: A little orange or lemon zest in the banana mixture can add a bright, fresh note.
  • Cream Cheese Swirl: For a decadent touch, mix a few ounces of softened cream cheese with a tablespoon of sugar and a splash of vanilla, then swirl it into the banana mixture before layering.

Tips for Success

A few little secrets to ensure your Easy Banana Crumb Cake turns out perfectly every time:

  • Banana Ripeness is Key: I can’t stress this enough! Overripe bananas are sweeter and mash up much easier, contributing to the cake’s moistness and flavor.
  • Don’t Overmix the Crumb: When combining the mix and butter, just mix until it’s crumbly. Overmixing can make the topping tough.
  • Press the Base Gently: You want a firm base, but don’t go overboard with the pressing, or it might become too dense.
  • Prep Ahead: You can mash your bananas and combine them with the wet ingredients a day in advance and store them in an airtight container in the refrigerator. Just give it a good stir before assembling.
  • Know Your Oven: Oven temperatures can vary, so keep an eye on your cake towards the end of the baking time. The toothpick test is your best friend!

How to Store It

This cake is best enjoyed fresh, but it stores beautifully for those days when you want a little sweet treat. Once the cake has completely cooled, you can store it:

  • At Room Temperature: Cover the pan tightly with plastic wrap or transfer the cake to an airtight container. It will stay fresh for about 2-3 days.
  • In the Refrigerator: For longer storage, cover and refrigerate for up to 5 days. It will be slightly firmer, so let it come to room temperature before serving, or warm it up gently.

FAQs

Got a few burning questions? I’ve got answers!

Q: Can I use fresh bananas instead of ripe ones?

A: While you can, very ripe bananas are essential for the best flavor and moisture. If your bananas aren’t very ripe, they’ll be less sweet and might not mash as easily.

Q: What if I don’t have Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix?

A: You can use another cinnamon swirl cake mix or even a plain yellow cake mix and add about 1 teaspoon of cinnamon to the mix. You might need to adjust the butter slightly based on the mix’s instructions.

Q: Can I make this cake as cupcakes?

A: Yes! Prepare your cupcake liners and fill them about two-thirds full. Bake time will be shorter, likely around 18-22 minutes. Check for doneness with a toothpick.

Print

Easy Banana Crumb Cake

A moist and flavorful banana cake with a delightful cinnamon crumb topping, made incredibly easy with a cake mix shortcut.

  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 12 slices

Ingredients

Scale

Main ingredients

  • 4 ripe bananas (The riper, the better! Those brown spots are pure flavor gold.)
  • 1 teaspoon vanilla extract (A classic for a reason, it adds warmth and depth.)
  • 14 ounces sweetened condensed milk (This is our secret weapon for a super moist and rich cake!)
  • 0.25 cup chopped pecans (For a lovely little crunch and nutty flavor. Walnuts work beautifully too!)
  • 12 ounces Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix (This is the magic shortcut that makes this recipe so incredibly easy.)
  • 1 stick salted butter, melted (Brings that irresistible buttery richness to the crumb topping.)
  • 1.5 tablespoons caramel sauce (Optional: A little drizzle takes this cake from delicious to divine.)
  • Whipped cream (Optional: For serving, because who doesn’t love a dollop of fluffy cream?)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan.
  2. In a large bowl, mash the ripe bananas with a fork until slightly chunky.
  3. Stir in the vanilla extract and sweetened condensed milk until well combined.
  4. Add the chopped pecans to the banana mixture and stir.
  5. In a separate medium bowl, combine the Krusteaz Cinnamon Swirl Crumb Cake & Muffin Mix with the melted butter. Mix until crumbly.
  6. Pour about half of the crumb mixture into the prepared baking pan and press gently to form a base layer.
  7. Spread the banana and pecan mixture evenly over the crumb base.
  8. Sprinkle the remaining crumb topping evenly over the banana layer.
  9. Bake for 35-45 minutes, or until a toothpick inserted into the center comes out clean.
  10. Let the cake cool in the pan for at least 15 minutes.
  11. Drizzle with caramel sauce (optional) and serve warm or at room temperature, with whipped cream if desired.

Notes

Ripe bananas are key for the best flavor and moisture. Don’t overmix the crumb topping. Press the base gently. This cake can be prepped ahead by combining banana mixture a day in advance. Store at room temperature for 2-3 days or in the refrigerator for up to 5 days.

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