To make the loaves, mix butter, sugar, salt and cinnamon until fluffy. Add eggs and mix well. Add vanilla and sour cream and mix well.
Mix flour and baking powder in a separate bowl. Add to wet ingredients and mix until all combined. Add cinnamon chips and stir into batter. Set aside.
Spoon batter into 4 mini loaf pans until about ⅔ full.
Mix topping ingredients in a bowl and sprinkle over the batter in each loaf pan.
Bake at 350°F for 35 to 38 minutes. Let cool before removing from pan.
