Banana Coffee Cake
Total Time
1 hour 10 minutes + 30 minutes cooling
Prep Time
30 minutes
Cook Time
40 minutes
Rating
4.9 out of 5 stars
(52)
Ingredients
16 slices
- 1 1/2 cups (195g) all-purpose flour
- 3/4 teaspoon baking soda
- 1/2 teaspoon salt
- 6 tbsp unsalted butter, melted
- 1/2 cup (100g) granulated sugar
- 1/2 cup (100g) light brown sugar, packed
- 1/3 cup (80g) sour cream, room temp
- 1 large egg, room temp
- 2 tsp vanilla extract
- 3/4 cup (190g) mashed ripe bananas (about 2 medium bananas)
- 3 tbsp light brown sugar
- 1 1/2 tsp cinnamon
- 1 cup + 2 tbsp (150g) all-purpose flour
- 1 tsp cinnamon
- 1/3 cup (65g) granulated sugar
- 1/3 cup (65g) light brown sugar, packed
- 1/2 cup (110g) unsalted butter, melted
- 1/2 cup powdered sugar
- 1 tbsp milk
- OR top with homemade salted caramel
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Preparation
Step 1
Preheat your oven to 325F and grease and line an 8×8 baking pan, allowing the paper to hang over the sides for easy removal.
Step 2
Start by making the crumble – Combine the flour, cinnamon, and sugars in a bowl. Then mix in the melted butter. The mixture should resemble wet sand. Place the bowl in the refrigerator to chill while the rest of the cake is made.
Step 3
For the banana cake, whisk together the flour, baking soda, and salt in a medium bowl. Set aside.
Step 4
In a large mixing bowl, whisk together the sugars and butter.
Step 5
Once fully combined, whisk in the sour cream, egg, vanilla, and mashed banana.
Step 6
Gently mix in the dry ingredients using a rubber spatula.
Step 7
Spread half of the batter into the pan. Combine the cinnamon sugar mixture and sprinkle an even layer on top.
Step 8
Cover with the remaining batter and gently spread it evenly.
Step 9
Remove the crumble from the refrigerator. It should now be cold and firm. Crumble it on top in an even layer.
Step 10
Bake for 40-45 minutes or until a toothpick in the center comes out clean with a few moist crumbs.
Step 11
Allow the cake to cool for about 30-40 minutes.
Step 12
While it cools, whisk together the powdered sugar and milk to make the icing. It should make a glue-like consistency. If it’s too thick, add 1/2 tbsp of milk at a time until it turns smooth.
Step 13
Drizzle the icing on top of the slightly warm cake and enjoy!
Step 14
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Chef's notes
The cake is best served slightly warm, and it's recommended to drizzle the icing once the cake has cooled to the right temperature to prevent it from melting into the crumble.