Preheat the oven

• Preheat the oven to 350 °F.

Cream the butter and sugar

• Add the softened butter and white granulated sugar to a bowl.
• Cream the sugar and butter together until light and fluffy.

Add the eggs

• Add the eggs slowly while mixing until fully incorporated.

Add the sour cream and vanilla

• Add the sour cream and vanilla extract and mix until smooth.

Combine wet and dry ingredients

• Add the flour, baking powder and salt to the wet mixture.
• Mix until just combined and smooth.

Prepare the loaf pan

• Spray the loaf pan with nonstick spray, spread butter all over, or line it with parchment paper so the cake doesn't stick.

Fill the pan

• Pour the cake batter into the prepared loaf pan and spread it evenly.

Bake

• Place in the oven at 350 °F until a knife or toothpick comes out clean in the middle.

Cool and serve

• Let the cake cool in the pan before serving.