Sour Cream Banana Coffee Cake

Ingredients

• cup  semisweet chocolate chips (chopped!)
  1/2 unit
• cup  walnuts (chopped!)
  1/2 unit
• ground cinnamon
  2 teaspoons
• .75 cups sugar
  1 unit
• unsalted butter

  softened
  1/2 cup
• eggs
  3 unit
• ripe bananas
  2 unit
• -  8 oz. container of sour cream
  1 unit
• all-purpose flour
  3 cups
• baking powder
  2 teaspoons
• baking soda
  1 teaspoon
• a Bundt pan
  1 unit
• perhaps more chocolate chips
  1 unit
• a powerful mixer!
  1 unit