Banana Coffee Cake with Cinnamon Chocolate Chip Streusel — What's Cooking on Planet Byn – amyburvall.com

Ingredients

• 1 cup semi-sweet chocolate chips
• 2/3 cup brown sugar
• 1 tbsp ground cinnamon
• 1 1/2 cups all-purpose flour
• 3/4 tsp baking powder
• 3/4 tsp baking soda
• 1/4 tsp salt
• 3/4 cup sugar
• 1/2 cup (1 stick) butter, room temperature
• 1 egg
• 3 very, very, ripe bananas, mashed
• 3 tbsp buttermilk (or regular milk will do)