Banana Crumb Cake Recipe

Name: Banana Crumb Cake Recipe
Ingredients: 1 1/2 cups all-purpose flour; 3/4 cup light brown sugar; 1/4 cup sugar; 6 tablespoons unsalted butter, melted; 2 cups (9 ounces) all-purpose flour; 1 teaspoon baking soda; 1 teaspoon cinnamon; 1/2 teaspoon salt; 1/4 cup buttermilk; 2 teaspoons vanilla; 8 tablespoons unsalted butter, soften to room temperature; 1 cup (7 ounces) sugar; 2 large eggs; 1 cup mashed ripe bananas (2 large bananas or 3 medium bananas); 2 ounces 72% cacao chocolate, melted in the microwave or double boiler; 2 tablespoons heavy cream