Cinnamon Streusel Bread

Name: Cinnamon Streusel Bread
Ingredients: Butter for greasing pan (or olive oil spray); 1/3 cup coconut palm sugar (for more info, including alternatives see MPM Mini-Bites); 1 tablespoon cinnamon; 1 tablespoon butter (melted); 2 cups whole wheat pastry flour; 2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/4 teaspoon salt; 4 tablespoons butter (softened); 3/4 cup coconut palm sugar; 2 eggs (room temperature); 1 teaspoon vanilla extract; 1 cup buttermilk