Banana Oatmeal Crumb Cake Recipe

Ingredients

• 0.5 cup butter, softened
• 0.66666668653488 cup packed brown sugar
• 2 eggs
• 1 cup mashed bananas
• 1 teaspoon vanilla extract
• 0.75 cup all-purpose flour
• 1.3333333730698 cups rolled oats
• 0.25 teaspoon salt
• 1 teaspoon baking soda
• 0.75 cup rolled oats
• 0.33333334326744 cup packed brown sugar
• 2 tablespoons butter, melted
• 2 tablespoons chopped walnuts
• 0.5 teaspoon ground cinnamon