Banana Cake with Chocolate Chip Hazelnut Streusel

INGREDIENTS

For the Cake:

1 1/2 cups

all-purpose flour

1 tsp

baking soda

1/2 tsp

salt

1/4 tsp

ground cinnamon

large ripe bananas, mashed

4 tbsp

unsalted butter, melted and cooled to room temperature

large eggs, slightly beaten

1 tsp

vanilla extract

1 cup

granulated sugar

1/2 cup

Chocolate Hazelnut Butter or Nutella

For the Hazelnut Streusel Topping:

3 tbsp

all-purpose flour

1/4 cup

packed brown sugar

1/4 tsp

ground cinnamon

3 tbsp

cold unsalted butter

3/4 cup

hazelnuts, toasted, peeled and roughly chopped

1/3 cup

mini chocolate chips