In a large mixing bowl, beat together together the butter and sugar until smooth. Add the eggs one at a time, beating for 1 minute and scraping down the bowl after each addition. Beat in the vanilla extract.
Place a rack in the center of your oven and preheat the oven to 350 degrees F. Lightly grease a 8x4-inch loaf pan, then line with parchment paper so that some of the paper hangs out the sides like "handles." Lightly grease once more, then set aside.