Banana Matcha Cake: Easy Moist Loaf Recipe

This banana matcha cake combines the natural sweetness of ripe bananas with the earthy, slightly bitter notes of matcha green tea powder, creating a moist, tender loaf that is both comforting and refined. The bananas keep the crumb incredibly soft and add depth, while the matcha provides a beautiful green hue and a gentle caffeine lift. It’s a simple one-bowl recipe that works beautifully for breakfast, brunch, or an afternoon snack with tea.

Ingredients

• 1 ¾ cups (220 g) all-purpose flour
• 2 teaspoons baking powder
• ½ teaspoon baking soda
• ½ teaspoon salt
• 2 tablespoons (10 g) matcha green tea powder (culinary grade)
• ½ cup (115 g) unsalted butter, softened
• ¾ cup (150 g) granulated sugar
• 2 large eggs, at room temperature
• 1 teaspoon vanilla extract
• 3 ripe bananas, mashed (about 1 cup / 240 g)
• ½ cup (120 ml) plain whole milk yogurt or sour cream

Instructions

1. Preheat your oven to 350°F (175°C). Grease a 9×5-inch (23×13 cm) loaf pan and line it with parchment paper, leaving some overhang on the long sides for easy lifting.
2. In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and matcha powder. Make sure the matcha is fully incorporated and there are no clumps; set aside.
3. In a large bowl, beat the softened butter and sugar together with an electric mixer (or by hand with a wooden spoon) until light and fluffy, about 2-3 minutes.
4. Add the eggs one at a time, beating well after each addition. Mix in the vanilla extract.
5. Add the mashed bananas and yogurt (or sour cream) to the butter mixture, and stir until just combined. The mixture may look slightly curdled—that’s fine.
6. Gently fold the dry ingredients into the wet mixture using a spatula, stirring just until no streaks of flour remain. Do not overmix, as this can make the cake tough.
7. Pour the batter into the prepared loaf pan and smooth the top with a spatula.
8. Bake for 50-60 minutes, or until a toothpick inserted into the center comes out clean or with just a few moist crumbs. If the top is browning too quickly, loosely cover it with foil after 30 minutes.
9. Let the cake cool in the pan for 15 minutes, then transfer it to a wire rack to cool completely before slicing.

Tips

• Use ripe bananas: The best bananas for this cake are heavily speckled with brown spots—they’re sweeter and more flavorful. Avoid using green or underripe bananas, as they won’t mash as smoothly and will make the cake less sweet.
• Don’t overmix: Once you add the flour, mix only until it’s just incorporated. Overmixing develops gluten, which can result in a dense, rubbery cake instead of a tender crumb.
• Matcha quality matters: Use culinary-grade matcha for baking, not ceremonial grade (which is more expensive and delicate). Culinary matcha is specifically blended for cooking and retains its color and flavor well. If your matcha is old or low-quality, the cake may taste bitter or dull.
• Check for doneness: Ovens vary, so start checking the cake at 50 minutes. A toothpick inserted into the center should come out clean, and the edges should pull away slightly from the pan. If the top is getting too dark, tent it with foil.

Serving Suggestions

Serve this banana matcha cake slightly warm or at room temperature. It’s delicious on its own, but you can elevate it with a dollop of whipped cream, a drizzle of honey, or a dusting of extra matcha powder. For a more indulgent treat, spread a slice with butter, cream cheese, or a spoonful of lemon curd. It also pairs wonderfully with a cup of green tea, coffee, or chai.

Variations

• Add-ins: Fold in ½ cup (85 g) of chocolate chips, white chocolate chunks, or chopped walnuts for extra texture and flavor.
• Glaze: Top the cooled cake with a simple glaze made from 1 cup (120 g) powdered sugar, 2 tablespoons milk, and ½ teaspoon vanilla extract. For a matcha glaze, add 1 teaspoon matcha powder.
• Vegan option: Substitute the butter with coconut oil (use ½ cup / 120 ml melted), the eggs with 2 flax eggs (2 tablespoons ground flaxseed mixed with 6 tablespoons water), and the yogurt with a plant-based yogurt like coconut or almond.
• Gluten-free: Replace the all-purpose flour with a 1:1 gluten-free baking flour blend. The texture will be slightly more crumbly, but still delicious.

Storage and Reheating

Store the banana matcha cake in an airtight container at room temperature for up to 3 days, or in the refrigerator for up to 5 days. To freeze, wrap the cooled cake (or individual slices) tightly in plastic wrap and then in foil; it will keep for up to 3 months. Thaw overnight in the refrigerator before serving. To reheat, place a slice in the microwave for 15-20 seconds, or warm it in a toaster oven at 300°F (150°C) for 5-7 minutes until just heated through.

Frequently Asked Questions

Can I use frozen bananas? Yes, thaw them completely and drain off any excess liquid before mashing. The cake may be slightly denser, but it will still taste great.

Why did my cake sink in the middle? This usually happens if the cake is underbaked, if the oven door is opened too early (before the cake has set), or if the batter was overmixed. Make sure to bake until a toothpick comes out clean, and avoid opening the oven for the first 30 minutes.

Can I reduce the sugar? You can reduce the sugar to ½ cup (100 g) if you prefer a less sweet cake. The bananas add natural sweetness, but keep in mind the cake will be less moist and the texture may be slightly drier.

Can I use a different type of yogurt? Yes, you can use Greek yogurt or buttermilk instead of regular yogurt. Greek yogurt will make the cake slightly denser, while buttermilk will add a subtle tang. Just make sure it’s plain and unsweetened.

How do I know if my matcha is good? Good matcha should be a vibrant green color and smell fresh and grassy. If it looks dull or brownish, it’s likely old or low-quality, which will affect the color and flavor of your cake.

Can I make this into muffins? Absolutely! Divide the batter among 12 muffin cups and bake at 350°F (175°C) for 20-25 minutes, or until a toothpick comes out clean. The baking time will be shorter than the loaf.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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