Step 1: Preheat your oven to 325°F (160°C).
Step 2: Grease your 9x5-inch loaf pan with butter or non-stick spray, and lightly dust it with flour.
Step 3: In a medium bowl, whisk together the flour, baking soda, and salt.
Step 4: In a large mixing bowl, cream the butter and sugar together until light and fluffy.
Step 5: Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
Step 6: Beat in the sour cream until combined.
Step 7: Gradually mix in the dry ingredients until just combined.
Step 8: Pour the batter into the prepared loaf pan and smooth the top.
Step 9: Bake for about 60-70 minutes or until a toothpick comes out clean.
Step 10: Let the cake cool in the pan for 15 minutes before transferring to a cooling rack.
