Best Banana Bread Coffee Cake Recipe - How to Make Banana Bread Coffee Cake

Ingredients

• Cooking spray, for pan
• 2 c. all-purpose flour
• 1 tsp. baking soda
• 1/2 tsp. kosher salt
• 1/2 c. (1 stick) unsalted butter, melted
• 3/4 c. granulated sugar
• 1/4 c. brown sugar
• 1 large egg plus 1 egg yolk
• 1/4 c. sour cream
• 1 tsp. pure vanilla extract
• 1/2 tsp. espresso powder
• 3 ripe bananas, mashed
• 1/2 c. all-purpose flour
• 1/2 c. brown sugar
• 1/4 tsp. kosher salt
• 1/4 tsp. ground cinnamon
• 4 tbsp. butter, cut into small cubes