Grain-Free Banana Custard Cake: A Beginner Baker’s Dream

Published on Feb 24, 2025

  by   Kristina Stosek

1 reviews

Prep Time: 10 minutes Cook Time: 50 minutes Serves: 9-12
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This Grain-Free Banana Custard Cake (With a Side of Health Benefits) is the ultimate banana dessert! It’s gluten-free, light, and perfectly balances sweetness with vanilla flavor. Imagine a moist layer of banana bread mixed with the creamy richness of custard. Perfect for beginner bakers, this gluten-free dessert requires less than 10 ingredients (plus a few spices) and will definitely wow everyone at the table. A healthy banana dessert that’s ridiculously easy and exceptionally delicious!

slice of grain free banana custard cake

The Secret to Simplicity

Baking doesn’t have to be complicated. No need to mix a dozen plus ingredients or search for hard to find items. This cake is as easy as it gets. The prep time is only 10 minutes, and all you need is a blender for the filling. Yes, you heard that right—this cake comes together quickly. Efficiency is key, especially when it involves this grain-free dessert!

The ingredients are simple: you probably already have most of them in your pantry. Ripe bananas, eggs, butter, sweetened condensed milk (for richness, without being overly indulgent), and a touch of vanilla. And, the almond and coconut flour for that grain-free touch. Even if this is your first time pulling out the mixing bowl, you’ll feel like a pro!

Why This Grain-Free Banana Custard Cake Recipe is Perfect for Beginners

  • Minimal Equipment: No stand mixer or complicated whisking required. Just a bowl and a blender—baking doesn’t get simpler than this.
  • Quick Prep: With only 10 minutes of work, you’ll be on your way to a dreamy dessert. No long waits for dough to rise or roll—perfect for dinner parties or brunch.
  • For the “I’m Not a Baker” Baker: If you’re intimidated by recipes with multiple steps or lengthy instructions, this one’s for you. It’s practically foolproof. If you can whisk, blend, and spread dough in a pan, you can make this cake.
  • Almost Impossible to Mess Up: The custard sets with the perfect timing in the oven. If it’s a little soft when you pull it out, it’ll firm up nicely in the fridge.

slice of healthy grain free banana custard cake

A Healthier Twist with Almond and Coconut Flour

Okay, let’s talk about why this cake is so good. Almond flour and coconut flour bring several health benefits. They’re both grain-free, making this cake a great option for anyone with gluten sensitivities or those avoiding grains. Plus, these flours offer plenty of nutritional advantages:

  • Almond Flour: Packed with protein, healthy fats, and vitamin E, almond flour adds a subtle nutty flavor and a dense, moist texture. It’s also great for stabilizing blood sugar levels, making this cake a more balanced dessert option compared to traditional flour-based cakes.
  • Coconut Flour: High in fiber, coconut flour helps keep you feeling full longer. It also has a naturally sweet flavor, which means you can reduce the amount of sweeteners used.

These grain-free flours not only add good texture and flavor, but also support a healthier lifestyle!

A Slice of Health: Bananas and the Creamy Goodness of Sweetened Condensed Milk

Bananas in a dessert? Absolutely! Bananas bring natural sweetness and moisture to the custard filling, making it creamy and smooth. According to Cleveland Clinic, they’re packed with potassium, fiber, B6, magnesium, and antioxidants—so you can feel a little better about indulging in this gluten-free banana dessert.

And yes, sweetened condensed milk makes this custard irresistible. While it’s indulgent, it adds a rich, creamy texture that takes the cake to the next level. To lighten it up, use a lower-fat version, keeping all the creaminess with fewer calories. (I did) Or use SPLENDA Reduced Calorie Sweetened Condensed Milk, No Sugar Added.

Variations for the Adventurous Baker

Feel free to get creative with this grain-free banana custard cake. Here are a few ideas to add your own twist:

  • Spices: If you love bold flavors, add ground ginger, cardamom, or even a pinch of turmeric.
  • Chocolate Chips: A handful of dark chocolate chips is the perfect pairing with bananas. I recommend using mini chocolate chips for even distribution.
  • Cocoa: Add 1/4 cup of cocoa to the crust and 1/2 cup to the filling for a rich chocolate-banana combo.
  • Coconut Flakes: Add unsweetened shredded coconut to the filling or crust for a tropical twist.

bit taken out of gluten free banana dessert

Serving Suggestions: Because Presentation Matters Too

Presentation can make a big difference, even when you’re making an easy grain-free dessert! Consider dusting the top of the cake with cinnamon sugar before serving—it’ll look like you spent hours in the kitchen, when you’ve actually spent a fraction of that time. The cinnamon sugar adds a little extra sweetness and spice that’s warm and tasty.

Or, drizzle it with chocolate ganache for an extra indulgent treat! This grain-free banana custard cake is perfect on its own, but it pairs wonderfully with whipped cream or a scoop of vanilla ice cream. It’s a great option for a family dessert or a dinner party.

Make-Ahead Convenience

This gluten-free banana dessert is perfect for making in advance. It needs time to chill and set in the fridge, so preparing it ahead of time ensures the custard reaches its creamy perfection. This way, you can spend less time in the kitchen and more time with your guests—no last-minute baking stress required!

Storing Grain-Free Banana Custard Cake

While I’m sure this cake will disappear quickly, you’ll want to store any leftovers (if there are any!). It will keep in the fridge for up to five days in an airtight container. You can also slice it into squares and store them in individual containers for an easy grab-and-go snack.

close up of a slice of grain free banana custard cake

Check out Our Favorite Gluten-Free Banana Recipes

Gluten Free Banana Ginger Bread

Chocolate Chip Banana Snack Cake – Gluten Free

Gluten Free Marbled Banana Bread

Gluten-Free Chocolate Banana Pancakes

Gluten-Free Blueberry Banana Bread

Grain-Free Banana Custard Cake: Why You’ll Love This Recipe

This Grain-Free Banana Custard Cake is the perfect balance of sweet, creamy, and satisfying, all without the hassle. It’s an excellent choice for beginner bakers, those avoiding grains, or anyone who wants a healthy-ish treat that doesn’t compromise flavor. Try it today and enjoy this easy gluten-free banana dessert that’s sure to become a hit in your home! 

Nutrition Info

  • Nutritional Value (Per Slice, 1/12 of Cake) |
 Calories: 220 | Fat: 18g | Carbohydrates: 14g | Fiber: 3g | Sugars: 8g | Protein: 6g | Sodium: 125mg | Potassium: 250mg | Note: These values are estimates and can vary based on specific brands Nutrition information is automatically calculated, so should only be used as an approximation

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