Preheat oven to 350 F

Grease & flour bottom of a loaf pan

In a large bowl, combine the first 10 ingredients.

Beat 3 minutes at medium speed with an electric mixer.

Set aside

Combine 4 tablespoons sugar, 2 teaspoons cinnamon, and 4 teaspoons softened butter to make the streusel topping

Pour ½ the batter into the pan then pour ½ of the streusel topping over the top. Add the remainder of the batter and top with remaining streusel topping.

Bake for 55 - 65 minutes or until a toothpick inserted into the center comes out clean. Cool 15 minutes then remove from pan.

Cool completely on a wire rack.

Wrap tightly and store in the refrigerator.