cream together 1/2 cup softened butter + 3/4 cup granulated sugar + 1 tsp vanilla
microwave 3/4 cup refrigerated eggnog for 30 seconds and mix in
whisk in 1 egg just until combined
add in 2 cups all purpose flour (scooped & leveled) + 1 1/2 tsp baking powder + 1 tsp cinnamon
add half the batter to a lined loaf pan
make cinnamon sugar: 1/4 cup granulated sugar + 2 tsp cinnamon and sprinkle half on top of batter
add remaining batter evenly
sprinkle rest of cinnamon sugar on top
bake for 55-60 min or until toothpick comes out clean