Baked by an Introvert
Cream the butter and sugar. Beat in the eggs, followed by the sour cream and vanilla. Add the dry ingredients and mix until just combined.
Gently fold in finely chopped pears.
Spread the batter evenly into a 9x5 loaf pan.
Combine the sugar, flour, and cinnamon. Cut in the butter with a fork until the mixture resembles coarse crumbs. Sprinkle over the batter.
Bake for 55 to 60 minutes. Cool for 10 minutes then transfer to a wire rack to finish cooling.